diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 300db6dd..9602bd19 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,6 +8,10 @@ on:
   pull_request:
     branches: [ master ]
 
+concurrency:
+  group: ${{ github.head_ref || 'ci_staging' }}
+  cancel-in-progress: true
+
 jobs:
   rustfmt:
     name: Rustfmt (${{ matrix.os }})
@@ -43,6 +47,36 @@ jobs:
       - name: check clippy
         run: make check-clippy RUSTV=${{ matrix.rust }}
 
+  buid_m1:
+    name: Build examples for ${{ matrix.rust-target }} on (${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        node: ['16' ]
+        include:
+          - os: macos-11
+            rust-target: aarch64-apple-darwin
+    steps:
+    - uses: actions/checkout@v2
+    - name: Install ${{ matrix.rust }}
+      uses: actions-rs/toolchain@v1
+      with:
+        toolchain: stable
+        target: ${{ matrix.rust-target }}
+        override: true
+    - uses: Swatinem/rust-cache@v1
+      with:
+        key: ${{ matrix.os }}-${{ matrix.rust-target }}
+    - name: Install nj-cli build
+      run:  cargo install nj-cli
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - name: Build examples
+      run: make build-examples
+    
+
   test:
     name: Smoke test (${{ matrix.os }}, ${{ matrix.node }})
     runs-on: ${{ matrix.os }}
@@ -50,18 +84,19 @@ jobs:
       matrix:
         os: [ubuntu-latest, windows-latest, macOS-latest]
         rust: [stable]
-        node: [ '12', '14' ]
+        node: [ '12', '14','16' ]
+    env:
+      TARGET: ${{ matrix.rust-target }}
     steps:
     - uses: actions/checkout@v2
-    - name: Cancel Workflow Action
-      uses: styfle/cancel-workflow-action@0.4.1
-      with:
-        access_token: ${{ secrets.GITHUB_TOKEN }}
     - name: Install ${{ matrix.rust }}
       uses: actions-rs/toolchain@v1
       with:
         toolchain: ${{ matrix.rust }}
         override: true
+    - uses: Swatinem/rust-cache@v1
+      with:
+        key: ${{ matrix.os }}-${{ matrix.rust-target }}
     - name: Install nj-cli build
       run:  cargo install nj-cli
     - name: Use Node.js ${{ matrix.node-version }}
diff --git a/Cargo.lock b/Cargo.lock
index b69f7e0a..7aa8eabd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -73,12 +73,11 @@ dependencies = [
 
 [[package]]
 name = "async-io"
-version = "1.4.1"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4bbfd5cf2794b1e908ea8457e6c45f8f8f1f6ec5f74617bf4662623f47503c3b"
+checksum = "a811e6a479f2439f0c04038796b5cfb3d2ad56c230e0f2d3f7b04d68cfee607b"
 dependencies = [
  "concurrent-queue",
- "fastrand",
  "futures-lite",
  "libc",
  "log",
@@ -111,9 +110,9 @@ dependencies = [
 
 [[package]]
 name = "async-process"
-version = "1.1.0"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a8f38756dd9ac84671c428afbf7c9f7495feff9ec5b0710f17100098e5b354ac"
+checksum = "b21b63ab5a0db0369deb913540af2892750e42d949faacc7a61495ac418a1692"
 dependencies = [
  "async-io",
  "blocking",
@@ -162,15 +161,26 @@ checksum = "e91831deabf0d6d7ec49552e489aed63b7456a7a3c46cff62adad428110b0af0"
 
 [[package]]
 name = "async-trait"
-version = "0.1.50"
+version = "0.1.51"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b98e84bbb4cbcdd97da190ba0c58a1bb0de2c1fdf67d159e192ed766aeca722"
+checksum = "44318e776df68115a881de9a8fd1b9e53368d7a4a5ce4cc48517da3393233a5e"
 dependencies = [
  "proc-macro2",
  "quote",
  "syn",
 ]
 
+[[package]]
+name = "async_io_stream"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "541b3487bf601cf3a63dfba621d6d0252611f120aaf27b198f018c0e1714f0df"
+dependencies = [
+ "futures",
+ "pharos",
+ "rustc_version 0.3.3",
+]
+
 [[package]]
 name = "atomic-waker"
 version = "1.0.0"
@@ -185,9 +195,9 @@ checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "bitflags"
-version = "1.2.1"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
+checksum = "2da1976d75adbe5fbc88130ecd119529cf1cc6a93ae1546d8696ee66f0d21af1"
 
 [[package]]
 name = "blocking"
@@ -205,15 +215,9 @@ dependencies = [
 
 [[package]]
 name = "bumpalo"
-version = "3.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "63396b8a4b9de3f4fdfb320ab6080762242f66a8ef174c49d8e19b674db4cdbe"
-
-[[package]]
-name = "byteorder"
-version = "1.4.3"
+version = "3.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
+checksum = "9c59e7af012c713f529e7a3ee57ce9b31ddd858d4b512923602f74608b009631"
 
 [[package]]
 name = "cache-padded"
@@ -227,16 +231,16 @@ version = "0.11.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a3a567c24b86754d629addc2db89e340ac9398d07b5875efcff837e3878e17ec"
 dependencies = [
- "semver",
+ "semver 0.10.0",
  "serde",
  "serde_json",
 ]
 
 [[package]]
 name = "cc"
-version = "1.0.67"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3c69b077ad434294d3ce9f1f6143a2a4b89a8a2d54ef813d85003a4fd1137fd"
+checksum = "e70cc2f62c6ce1868963827bd677764c62d07c3d9a3e1fb1177ee1a9ab199eb2"
 
 [[package]]
 name = "cfg-if"
@@ -294,11 +298,10 @@ checksum = "ea221b5284a47e40033bf9b66f35f984ec0ea2931eb03505246cd27a963f981b"
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.8.4"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4feb231f0d4d6af81aed15928e58ecf5816aa62a2393e2c82f46973e92a9a278"
+checksum = "d82cfc11ce7f2c3faef78d8a684447b40d503d9681acebed6cb728d45940c4db"
 dependencies = [
- "autocfg",
  "cfg-if",
  "lazy_static",
 ]
@@ -321,28 +324,63 @@ checksum = "f7531096570974c3a9dcf9e4b8e1cede1ec26cf5046219fb3b9d897503b9be59"
 
 [[package]]
 name = "fastrand"
-version = "1.4.1"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77b705829d1e87f762c2df6da140b26af5839e1033aa84aa5f56bb688e4e1bdb"
+checksum = "b394ed3d285a429378d3b384b9eb1285267e7df4b166df24b7a6939a04dc392e"
 dependencies = [
  "instant",
 ]
 
 [[package]]
 name = "fluvio-future"
-version = "0.3.1"
+version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61587e440c936984e7dab40903de1c9adc39ab13e8446b52c50852da5cd6fbcb"
+checksum = "2ffaf3160b66ced37e2f1dcb073b07b3a3a3544a77bf172c94d47f44843d540f"
 dependencies = [
  "async-io",
  "async-std",
+ "cfg-if",
+ "fluvio-wasm-timer",
+ "fluvio_ws_stream_wasm",
  "futures-lite",
  "log",
  "pin-project",
  "thiserror",
  "tracing",
  "tracing-subscriber",
- "wasm-timer",
+]
+
+[[package]]
+name = "fluvio-wasm-timer"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b768c170dc045fa587a8f948c91f9bcfb87f774930477c6215addf54317f137f"
+dependencies = [
+ "futures",
+ "js-sys",
+ "parking_lot",
+ "pin-utils",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+]
+
+[[package]]
+name = "fluvio_ws_stream_wasm"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9875a7ffd1467f052ee51d936dc916f3b040ee3989d6abc875a10f0d2b204cdf"
+dependencies = [
+ "async_io_stream",
+ "futures",
+ "js-sys",
+ "pharos",
+ "rustc_version 0.3.3",
+ "send_wrapper",
+ "thiserror",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
 ]
 
 [[package]]
@@ -362,9 +400,9 @@ checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 
 [[package]]
 name = "futures"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e7e43a803dae2fa37c1f6a8fe121e1f7bf9548b4dfc0522a42f34145dadfc27"
+checksum = "1adc00f486adfc9ce99f77d717836f0c5aa84965eb0b4f051f4e83f7cab53f8b"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -377,9 +415,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e682a68b29a882df0545c143dc3646daefe80ba479bcdede94d5a703de2871e2"
+checksum = "74ed2411805f6e4e3d9bc904c95d5d423b89b3b25dc0250aa74729de20629ff9"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -387,15 +425,15 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0402f765d8a89a26043b889b26ce3c4679d268fa6bb22cd7c6aad98340e179d1"
+checksum = "af51b1b4a7fdff033703db39de8802c673eb91855f2e0d47dcf3bf2c0ef01f99"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "badaa6a909fac9e7236d0620a2f57f7664640c56575b71a7552fbd68deafab79"
+checksum = "4d0d535a57b87e1ae31437b892713aee90cd2d7b0ee48727cd11fc72ef54761c"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -404,15 +442,15 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "acc499defb3b348f8d8f3f66415835a9131856ff7714bf10dadfc4ec4bdb29a1"
+checksum = "0b0e06c393068f3a6ef246c75cdca793d6a46347e75286933e5e75fd2fd11582"
 
 [[package]]
 name = "futures-lite"
-version = "1.11.3"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4481d0cd0de1d204a4fa55e7d45f07b1d958abcb06714b3446438e2eff695fb"
+checksum = "7694489acd39452c77daa48516b894c153f192c3578d5a839b62c58099fcbf48"
 dependencies = [
  "fastrand",
  "futures-core",
@@ -425,9 +463,9 @@ dependencies = [
 
 [[package]]
 name = "futures-macro"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4c40298486cdf52cc00cd6d6987892ba502c7656a16a4192a9992b1ccedd121"
+checksum = "c54913bae956fb8df7f4dc6fc90362aa72e69148e3f39041fbe8742d21e0ac57"
 dependencies = [
  "autocfg",
  "proc-macro-hack",
@@ -438,21 +476,21 @@ dependencies = [
 
 [[package]]
 name = "futures-sink"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a57bead0ceff0d6dde8f465ecd96c9338121bb7717d3e7b108059531870c4282"
+checksum = "c0f30aaa67363d119812743aa5f33c201a7a66329f97d1a887022971feea4b53"
 
 [[package]]
 name = "futures-task"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a16bef9fc1a4dddb5bee51c989e3fbba26569cbb0e31f5b303c184e3dd33dae"
+checksum = "bbe54a98670017f3be909561f6ad13e810d9a51f3f061b902062ca3da80799f2"
 
 [[package]]
 name = "futures-util"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "feb5c238d27e2bf94ffdfd27b2c29e3df4a68c4193bb6427384259e2bf191967"
+checksum = "67eb846bfd58e44a8481a00049e82c43e0ccb5d61f8dc071057cb19249dd4d78"
 dependencies = [
  "autocfg",
  "futures-channel",
@@ -512,18 +550,18 @@ dependencies = [
 
 [[package]]
 name = "heck"
-version = "0.3.2"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87cbf45460356b7deeb5e3415b5563308c0a9b057c85e12b06ad551f98d0a6ac"
+checksum = "6d621efb26863f0e9924c6ac577e8275e5e6b77455db64ffa6c65c904e9e132c"
 dependencies = [
  "unicode-segmentation",
 ]
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.18"
+version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "322f4de77956e22ed0e5032c359a0f1273f1f7f0d79bfa3b8ffbc730d7fbcc5c"
+checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
 dependencies = [
  "libc",
 ]
@@ -540,11 +578,14 @@ dependencies = [
 
 [[package]]
 name = "instant"
-version = "0.1.9"
+version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61124eeebbd69b8190558df225adf7e4caafce0d743919e5d6b19652314ec5ec"
+checksum = "bee0328b1209d157ef001c94dd85b4f8f64139adb0eac2659f4b08382b2f474d"
 dependencies = [
  "cfg-if",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
 ]
 
 [[package]]
@@ -577,9 +618,9 @@ checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
 
 [[package]]
 name = "js-sys"
-version = "0.3.51"
+version = "0.3.52"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83bdfbace3a0e81a4253f73b49e960b053e396a11012cbd49b9b74d6a2b67062"
+checksum = "ce791b7ca6638aae45be056e068fc756d871eb3b3b10b8efa62d1c9cec616752"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -601,9 +642,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.94"
+version = "0.2.99"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18794a8ad5b29321f790b55d93dfba91e125cb1a9edbd4f8e3150acc771c1a5e"
+checksum = "a7f823d141fe0a24df1e23b4af4e3c7ba9e5966ec514ea068c93024aa7deb765"
 
 [[package]]
 name = "lock_api"
@@ -641,9 +682,9 @@ checksum = "b16bd47d9e329435e309c58469fe0791c2d0d1ba96ec0954152a5ae2b04387dc"
 
 [[package]]
 name = "native-tls"
-version = "0.2.7"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8d96b2e1c8da3957d58100b09f102c6d9cfdfced01b7ec5a8974044bb09dbd4"
+checksum = "48ba9f7719b5a0f42f338907614285fb5fd70e53858141f69898a1fb7203b24d"
 dependencies = [
  "lazy_static",
  "libc",
@@ -696,7 +737,7 @@ dependencies = [
 
 [[package]]
 name = "nj-derive"
-version = "3.4.0"
+version = "3.4.1"
 dependencies = [
  "Inflector",
  "fluvio-future",
@@ -763,15 +804,15 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.7.2"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af8b08b04175473088b46763e51ee54da5f9a164bc162f615b91bc179dbf15a3"
+checksum = "692fcb63b64b1758029e0a96ee63e049ce8c5948587f2f7208df04625e5f6b56"
 
 [[package]]
 name = "openssl"
-version = "0.10.34"
+version = "0.10.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d7830286ad6a3973c0f1d9b73738f69c76b739301d0229c4b96501695cbe4c8"
+checksum = "549430950c79ae24e6d02e0b7404534ecf311d94cc9f861e9e4020187d13d885"
 dependencies = [
  "bitflags",
  "cfg-if",
@@ -789,9 +830,9 @@ checksum = "28988d872ab76095a6e6ac88d99b54fd267702734fd7ffe610ca27f533ddb95a"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.63"
+version = "0.9.65"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6b0d6fb7d80f877617dfcb014e605e2b5ab2fb0afdf27935219bb6bd984cb98"
+checksum = "7a7907e3bfa08bb85105209cdfcb6c63d109f8f6c1ed6ca318fff5c1853fbc1d"
 dependencies = [
  "autocfg",
  "cc",
@@ -831,20 +872,39 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "pest"
+version = "2.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10f4872ae94d7b90ae48754df22fd42ad52ce740b8f370b03da4835417403e53"
+dependencies = [
+ "ucd-trie",
+]
+
+[[package]]
+name = "pharos"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "235c4b2ebc9552f5eba94ec982acb6c12f224980878e5b74a7d61806bb9c3591"
+dependencies = [
+ "futures",
+ "rustc_version 0.4.0",
+]
+
 [[package]]
 name = "pin-project"
-version = "1.0.7"
+version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7509cc106041c40a4518d2af7a61530e1eed0e6285296a3d8c5472806ccc4a4"
+checksum = "576bc800220cc65dac09e99e97b08b358cfab6e17078de8dc5fee223bd2d0c08"
 dependencies = [
  "pin-project-internal",
 ]
 
 [[package]]
 name = "pin-project-internal"
-version = "1.0.7"
+version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48c950132583b500556b1efd71d45b319029f2b71518d979fcc208e16b42426f"
+checksum = "6e8fe8163d14ce7f0cdac2e040116f22eac817edabff0be91e8aff7e9accf389"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -853,9 +913,9 @@ dependencies = [
 
 [[package]]
 name = "pin-project-lite"
-version = "0.2.6"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc0e1f259c92177c30a4c9d177246edd0a3568b25756a977d0632cf8fa37e905"
+checksum = "8d31d11c69a6b52a174b42bdc0c30e5e11670f90788b2c471c31c1d17d449443"
 
 [[package]]
 name = "pin-utils"
@@ -871,14 +931,14 @@ checksum = "3831453b3449ceb48b6d9c7ad7c96d5ea673e9b470a1dc578c2ce6521230884c"
 
 [[package]]
 name = "polling"
-version = "2.0.3"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fc12d774e799ee9ebae13f4076ca003b40d18a11ac0f3641e6f899618580b7b"
+checksum = "92341d779fa34ea8437ef4d82d440d5e1ce3f3ff7f824aa64424cd481f9a1f25"
 dependencies = [
  "cfg-if",
  "libc",
  "log",
- "wepoll-sys",
+ "wepoll-ffi",
  "winapi",
 ]
 
@@ -926,9 +986,9 @@ checksum = "bc881b2c22681370c6a780e47af9840ef841837bc98118431d4e1868bd0c1086"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.27"
+version = "1.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0d8caf72986c1a598726adc988bb5984792ef84f5ee5aa50209145ee8077038"
+checksum = "5c7ed8b8c7b886ea3ed7dde405212185f423ab44682667c8c6dd14aa1d9f6612"
 dependencies = [
  "unicode-xid",
 ]
@@ -944,9 +1004,9 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.8.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+checksum = "2e7573632e6454cf6b99d7aac4ccca54be06da05aca2ef7423d22d27d4d4bcd8"
 dependencies = [
  "libc",
  "rand_chacha",
@@ -956,9 +1016,9 @@ dependencies = [
 
 [[package]]
 name = "rand_chacha"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
  "rand_core",
@@ -966,27 +1026,27 @@ dependencies = [
 
 [[package]]
 name = "rand_core"
-version = "0.6.2"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34cf66eb183df1c5876e2dcf6b13d57340741e8dc255b48e40a26de954d06ae7"
+checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
 dependencies = [
  "getrandom",
 ]
 
 [[package]]
 name = "rand_hc"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
+checksum = "d51e9f596de227fda2ea6c84607f5558e196eeaf43c986b724ba4fb8fdf497e7"
 dependencies = [
  "rand_core",
 ]
 
 [[package]]
 name = "redox_syscall"
-version = "0.2.8"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "742739e41cd49414de871ea5e549afb7e2a3ac77b589bcbebe8c82fab37147fc"
+checksum = "8383f39639269cde97d255a32bdb68c047337295414940c68bdd30c2e13203ff"
 dependencies = [
  "bitflags",
 ]
@@ -1004,11 +1064,10 @@ dependencies = [
 
 [[package]]
 name = "regex-automata"
-version = "0.1.9"
+version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae1ded71d66a4a97f5e961fd0cb25a5f366a42a41570d16a763a69c092c26ae4"
+checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
 dependencies = [
- "byteorder",
  "regex-syntax",
 ]
 
@@ -1027,6 +1086,24 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "rustc_version"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0dfe2087c51c460008730de8b57e6a320782fbfb312e1f4d520e6c6fae155ee"
+dependencies = [
+ "semver 0.11.0",
+]
+
+[[package]]
+name = "rustc_version"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
+dependencies = [
+ "semver 1.0.4",
+]
+
 [[package]]
 name = "ryu"
 version = "1.0.5"
@@ -1051,9 +1128,9 @@ checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
 name = "security-framework"
-version = "2.2.0"
+version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3670b1d2fdf6084d192bc71ead7aabe6c06aa2ea3fbd9cc3ac111fa5c2b1bd84"
+checksum = "23a2ac85147a3a11d77ecf1bc7166ec0b92febfa4461c37944e180f319ece467"
 dependencies = [
  "bitflags",
  "core-foundation",
@@ -1064,9 +1141,9 @@ dependencies = [
 
 [[package]]
 name = "security-framework-sys"
-version = "2.2.0"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3676258fd3cfe2c9a0ec99ce3038798d847ce3e4bb17746373eb9f0f1ac16339"
+checksum = "7e4effb91b4b8b6fb7732e670b6cee160278ff8e6bf485c7805d9e319d76e284"
 dependencies = [
  "core-foundation-sys",
  "libc",
@@ -1078,30 +1155,60 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "394cec28fa623e00903caf7ba4fa6fb9a0e260280bb8cdbbba029611108a0190"
 dependencies = [
- "semver-parser",
+ "semver-parser 0.7.0",
  "serde",
 ]
 
+[[package]]
+name = "semver"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f301af10236f6df4160f7c3f04eec6dbc70ace82d23326abad5edee88801c6b6"
+dependencies = [
+ "semver-parser 0.10.2",
+]
+
+[[package]]
+name = "semver"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "568a8e6258aa33c13358f81fd834adb854c6f7c9468520910a9b1e8fac068012"
+
 [[package]]
 name = "semver-parser"
 version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 
+[[package]]
+name = "semver-parser"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "00b0bef5b7f9e0df16536d3961cfb6e84331c065b4066afb39768d0e319411f7"
+dependencies = [
+ "pest",
+]
+
+[[package]]
+name = "send_wrapper"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "930c0acf610d3fdb5e2ab6213019aaa04e227ebe9547b0649ba599b16d788bd7"
+
 [[package]]
 name = "serde"
-version = "1.0.126"
+version = "1.0.127"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec7505abeacaec74ae4778d9d9328fe5a5d04253220a85c4ee022239fc996d03"
+checksum = "f03b9878abf6d14e6779d3f24f07b2cfa90352cfec4acc5aab8f1ac7f146fae8"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.126"
+version = "1.0.127"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "963a7dbc9895aeac7ac90e74f34a5d5261828f79df35cbed41e10189d3804d43"
+checksum = "a024926d3432516606328597e0f224a51355a493b49fdd67e9209187cbe55ecc"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1110,9 +1217,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.64"
+version = "1.0.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "799e97dc9fdae36a5c8b8f2cae9ce2ee9fdce2058c57a93e6099d919fd982f79"
+checksum = "336b10da19a12ad094b59d870ebde26a45402e5b470add4b5fd03c5048a32127"
 dependencies = [
  "itoa",
  "ryu",
@@ -1121,18 +1228,18 @@ dependencies = [
 
 [[package]]
 name = "sharded-slab"
-version = "0.1.1"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "79c719719ee05df97490f80a45acfc99e5a30ce98a1e4fb67aee422745ae14e3"
+checksum = "740223c51853f3145fe7c90360d2d4232f2b62e3449489c207eccde818979982"
 dependencies = [
  "lazy_static",
 ]
 
 [[package]]
 name = "signal-hook"
-version = "0.3.8"
+version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef33d6d0cd06e0840fba9985aab098c147e67e05cee14d412d3345ed14ff30ac"
+checksum = "470c5a6397076fae0094aaf06a08e6ba6f37acb77d3b1b91ea92b4d6c8650c39"
 dependencies = [
  "libc",
  "signal-hook-registry",
@@ -1140,18 +1247,18 @@ dependencies = [
 
 [[package]]
 name = "signal-hook-registry"
-version = "1.3.0"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "16f1d0fef1604ba8f7a073c7e701f213e056707210e9020af4528e0101ce11a6"
+checksum = "e51e73328dc4ac0c7ccbda3a494dfa03df1de2f46018127f60c693f2648455b0"
 dependencies = [
  "libc",
 ]
 
 [[package]]
 name = "slab"
-version = "0.4.3"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f173ac3d1a7e3b28003f40de0b5ce7fe2710f9b9dc3fc38664cebee46b3b6527"
+checksum = "c307a32c1c5c437f38c7fd45d753050587732ba8628319fbdf12a7e289ccc590"
 
 [[package]]
 name = "smallvec"
@@ -1161,9 +1268,9 @@ checksum = "fe0f37c9e8f3c5a4a66ad655a93c74daac4ad00c441533bf5c6e7990bb42604e"
 
 [[package]]
 name = "socket2"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e3dfc207c526015c632472a77be09cf1b6e46866581aecae5cc38fb4235dea2"
+checksum = "765f090f0e423d2b55843402a07915add955e7d60657db13707a159727326cad"
 dependencies = [
  "libc",
  "winapi",
@@ -1171,9 +1278,9 @@ dependencies = [
 
 [[package]]
 name = "structopt"
-version = "0.3.21"
+version = "0.3.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5277acd7ee46e63e5168a80734c9f6ee81b1367a7d8772a2d765df2a3705d28c"
+checksum = "69b041cdcb67226aca307e6e7be44c8806423d83e018bd662360a93dabce4d71"
 dependencies = [
  "clap",
  "lazy_static",
@@ -1182,9 +1289,9 @@ dependencies = [
 
 [[package]]
 name = "structopt-derive"
-version = "0.4.14"
+version = "0.4.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ba9cdfda491b814720b6b06e0cac513d922fc407582032e8706e9f137976f90"
+checksum = "7813934aecf5f51a54775e00068c237de98489463968231a51746bbbc03f9c10"
 dependencies = [
  "heck",
  "proc-macro-error",
@@ -1195,9 +1302,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.72"
+version = "1.0.74"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1e8cdbefb79a9a5a65e0db8b47b723ee907b7c7f8496c76a1770b5c310bab82"
+checksum = "1873d832550d4588c3dbc20f01361ab00bfe741048f71e3fecf145a7cc18b29c"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1238,18 +1345,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.24"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0f4a65597094d4483ddaed134f409b2cb7c1beccf25201a9f73c719254fa98e"
+checksum = "93119e4feac1cbe6c798c34d3a53ea0026b0b1de6a120deef895137c0529bfe2"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.24"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7765189610d8241a44529806d6fd1f2e0a08734313a35d5b3a556f92b381f3c0"
+checksum = "060d69a0afe7796bf42e9e2ff91f5ee691fb15c53d38b4b62a9a53eb23164745"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1329,9 +1436,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-subscriber"
-version = "0.2.18"
+version = "0.2.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa5553bf0883ba7c9cbe493b085c29926bd41b66afc31ff72cf17ff4fb60dcd5"
+checksum = "ab69019741fca4d98be3c62d2b75254528b5432233fd8a4d2739fec20278de48"
 dependencies = [
  "ansi_term",
  "chrono",
@@ -1362,6 +1469,12 @@ dependencies = [
  "toml",
 ]
 
+[[package]]
+name = "ucd-trie"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56dee185309b50d1f11bfedef0fe6d036842e3fb77413abef29f8f8d1c5d4c1c"
+
 [[package]]
 name = "unicase"
 version = "2.6.0"
@@ -1373,9 +1486,9 @@ dependencies = [
 
 [[package]]
 name = "unicode-segmentation"
-version = "1.7.1"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb0d2e7be6ae3a5fa87eed5fb451aff96f2573d2694942e40543ae0bbe19c796"
+checksum = "8895849a949e7845e06bd6dc1aa51731a103c42707010a5b591c0038fb73385b"
 
 [[package]]
 name = "unicode-width"
@@ -1407,9 +1520,9 @@ dependencies = [
 
 [[package]]
 name = "vcpkg"
-version = "0.2.12"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbdbff6266a24120518560b5dc983096efb98462e51d0d68169895b237be3e5d"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
 [[package]]
 name = "version_check"
@@ -1431,9 +1544,9 @@ checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.74"
+version = "0.2.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d54ee1d4ed486f78874278e63e4069fc1ab9f6a18ca492076ffb90c5eb2997fd"
+checksum = "b608ecc8f4198fe8680e2ed18eccab5f0cd4caaf3d83516fa5fb2e927fda2586"
 dependencies = [
  "cfg-if",
  "wasm-bindgen-macro",
@@ -1441,9 +1554,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.74"
+version = "0.2.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b33f6a0694ccfea53d94db8b2ed1c3a8a4c86dd936b13b9f0a15ec4a451b900"
+checksum = "580aa3a91a63d23aac5b6b267e2d13cb4f363e31dce6c352fca4752ae12e479f"
 dependencies = [
  "bumpalo",
  "lazy_static",
@@ -1456,9 +1569,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.24"
+version = "0.4.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5fba7978c679d53ce2d0ac80c8c175840feb849a161664365d1287b41f2e67f1"
+checksum = "16646b21c3add8e13fdb8f20172f8a28c3dbf62f45406bcff0233188226cfe0c"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -1468,9 +1581,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.74"
+version = "0.2.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "088169ca61430fe1e58b8096c24975251700e7b1f6fd91cc9d59b04fb9b18bd4"
+checksum = "171ebf0ed9e1458810dfcb31f2e766ad6b3a89dbda42d8901f2b268277e5f09c"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -1478,9 +1591,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.74"
+version = "0.2.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be2241542ff3d9f241f5e2cb6dd09b37efe786df8851c54957683a49f0987a97"
+checksum = "6c2657dd393f03aa2a659c25c6ae18a13a4048cebd220e147933ea837efc589f"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1491,40 +1604,25 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.74"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7cff876b8f18eed75a66cf49b65e7f967cb354a7aa16003fb55dbfd25b44b4f"
-
-[[package]]
-name = "wasm-timer"
-version = "0.2.5"
+version = "0.2.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be0ecb0db480561e9a7642b5d3e4187c128914e58aa84330b9493e3eb68c5e7f"
-dependencies = [
- "futures",
- "js-sys",
- "parking_lot",
- "pin-utils",
- "wasm-bindgen",
- "wasm-bindgen-futures",
- "web-sys",
-]
+checksum = "2e0c4a743a309662d45f4ede961d7afa4ba4131a59a639f29b0069c3798bbcc2"
 
 [[package]]
 name = "web-sys"
-version = "0.3.51"
+version = "0.3.52"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e828417b379f3df7111d3a2a9e5753706cae29c41f7c4029ee9fd77f3e09e582"
+checksum = "01c70a82d842c9979078c772d4a1344685045f1a5628f677c2b2eab4dd7d2696"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
 ]
 
 [[package]]
-name = "wepoll-sys"
-version = "3.0.1"
+name = "wepoll-ffi"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fcb14dea929042224824779fbc82d9fab8d2e6d3cbc0ac404de8edf489e77ff"
+checksum = "d743fdedc5c64377b5fc2bc036b01c7fd642205a0d96356034ae3404d49eb7fb"
 dependencies = [
  "cc",
 ]
diff --git a/Makefile b/Makefile
index 5080e319..c465dbd7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,7 @@
-RUSTV=stable
+TARGET_FLAG=$(if $(TARGET),--target $(TARGET),)
+
+install_rustup_target:
+	./build-scripts/install_target.sh
 
 install_windows_on_mac:
 	rustup target add x86_64-pc-windows-gnu
@@ -11,14 +14,18 @@ build-windows:
 
 test-all:	test-unit test-derive test-examples
 
-test-unit:
-	cargo test --lib --all-features
+test-unit:	install_rustup_target 
+	cargo test --lib --all-features $(TARGET_FLAG)
 
 test-examples:
 	make -C examples test
 
+
+build-examples:
+	make -C examples build
+
 test-derive:
-	cd nj-derive; RUST_LOG=debug cargo test -- --nocapture
+	cd nj-derive; RUST_LOG=debug cargo test $(TARGET_FLAG) -- --nocapture
 
 
 #
@@ -26,16 +33,16 @@ test-derive:
 #
 
 install-fmt:
-	rustup component add rustfmt --toolchain $(RUSTV)
+	rustup component add rustfmt
 
 check-fmt:
-	cargo +$(RUSTV) fmt -- --check
+	cargo fmt -- --check
 
 install-clippy:
-	rustup component add clippy --toolchain $(RUSTV)
+	rustup component add clippy
 
 check-clippy:	install-clippy check-clippy-examples
-	cargo +$(RUSTV) clippy --all --all-targets --all-features -- \
+	cargo clippy --all --all-features -- \
 		-D warnings \
 		-A clippy::upper_case_acronyms \
 		-A clippy::needless-question-mark
diff --git a/build-scripts/install_target.sh b/build-scripts/install_target.sh
new file mode 100755
index 00000000..d55494be
--- /dev/null
+++ b/build-scripts/install_target.sh
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+set -e
+
+if [ "$TARGET" = "armv7-unknown-linux-gnueabihf" ] || [ "$TARGET" = "arm-unknown-linux-gnueabihf" ]; then
+    # Install cross if not installed
+    [[ -x "$(command -v cross)" ]] || cargo install cross
+fi
+
+if [ -n "$TARGET" ]; then
+    echo "loading target $TARGET"
+    rustup target add $TARGET
+fi
\ No newline at end of file
diff --git a/examples/Cargo.lock b/examples/Cargo.lock
index cd1567be..38960c8d 100644
--- a/examples/Cargo.lock
+++ b/examples/Cargo.lock
@@ -648,7 +648,7 @@ dependencies = [
 
 [[package]]
 name = "nj-derive"
-version = "3.4.0"
+version = "3.4.1"
 dependencies = [
  "Inflector",
  "proc-macro2",
diff --git a/examples/Makefile b/examples/Makefile
index ac0ca5fc..87adb56b 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -12,10 +12,27 @@ clean:
 	make -C param clean
 	make -C electron clean
 	make -C bigint clean
-	make -C tuple clean
+	make -C tuples clean
 	make -C cleanup clean
 
 
+build:
+	make -C function build
+	make -C async-cb build
+	make -C cb build
+	make -C promise build
+	make -C stream build
+	make -C json build
+	make -C class-simple build
+	make -C class-wrapper build
+	make -C class-async build
+	make -C param build
+	make -C electron build
+	make -C bigint build
+	make -C tuples build
+	make -C cleanup build
+
+
 test: test-function test-cb test-async-cb test-promise test-json test-class-simple \
 	test-class-wrapper test-class-async test-stream test-buffer test-array test-bigint \
 	test-cleanup
@@ -69,7 +86,7 @@ test-cleanup:
 	make -C cleanup test
 
 check-clippy:
-	cargo +$(RUSTV) clippy --all --all-targets --all-features -- \
+	cargo clippy --all --all-features -- \
 		-D warnings \
 		-A clippy::upper_case_acronyms \
 		-A clippy::needless-question-mark
diff --git a/examples/tuples/package-lock.json b/examples/tuples/package-lock.json
index 264a593b..ca052420 100644
--- a/examples/tuples/package-lock.json
+++ b/examples/tuples/package-lock.json
@@ -1,19 +1,6 @@
 {
-  "name": "tuples",
-  "lockfileVersion": 2,
   "requires": true,
-  "packages": {
-    "": {
-      "dependencies": {
-        "@types/node": "^14.14.37"
-      }
-    },
-    "node_modules/@types/node": {
-      "version": "14.14.37",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.37.tgz",
-      "integrity": "sha512-XYmBiy+ohOR4Lh5jE379fV2IU+6Jn4g5qASinhitfyO71b/sCo6MKsMLF5tc7Zf2CE8hViVQyYSobJNke8OvUw=="
-    }
-  },
+  "lockfileVersion": 1,
   "dependencies": {
     "@types/node": {
       "version": "14.14.37",
diff --git a/nj-cli/src/main.rs b/nj-cli/src/main.rs
index 78559341..f28d5076 100644
--- a/nj-cli/src/main.rs
+++ b/nj-cli/src/main.rs
@@ -139,7 +139,7 @@ fn copy_lib(out: String, target_type: &str) {
     let manifest_path = manifest_path();
     let metadata = load_metadata(&manifest_path);
     if let Some(package) = find_current_package(&metadata, &manifest_path) {
-        if let Some(target) = find_cdylib(&package) {
+        if let Some(target) = find_cdylib(package) {
             let lib_path = lib_path(&metadata.target_directory, target_type, &target.name);
             let error_msg = format!("copy failed of {:?}", lib_path);
             copy_cdylib(&lib_path, &out).expect(&error_msg);
diff --git a/nj-core/src/basic.rs b/nj-core/src/basic.rs
index bfdd4406..87c29e51 100644
--- a/nj-core/src/basic.rs
+++ b/nj-core/src/basic.rs
@@ -575,7 +575,7 @@ impl JsEnv {
     where
         T: JSValue<'a>,
     {
-        T::convert_to_rust(&self, napi_value)
+        T::convert_to_rust(self, napi_value)
     }
 
     pub fn get_undefined(&self) -> Result<napi_value, NjError> {
diff --git a/nj-core/src/buffer.rs b/nj-core/src/buffer.rs
index 12646715..da86e4db 100644
--- a/nj-core/src/buffer.rs
+++ b/nj-core/src/buffer.rs
@@ -119,7 +119,7 @@ unsafe impl Send for JSArrayBuffer {}
 
 impl JSArrayBuffer {
     pub fn as_bytes(&self) -> &[u8] {
-        &self.buffer
+        self.buffer
     }
 }
 
@@ -152,6 +152,6 @@ impl Deref for JSArrayBuffer {
     type Target = [u8];
 
     fn deref(&self) -> &Self::Target {
-        &self.buffer
+        self.buffer
     }
 }
diff --git a/nj-core/src/convert.rs b/nj-core/src/convert.rs
index f2ac2557..17e84b5e 100644
--- a/nj-core/src/convert.rs
+++ b/nj-core/src/convert.rs
@@ -155,8 +155,8 @@ where
 {
     fn try_to_js(self, js_env: &JsEnv) -> Result<napi_value, NjError> {
         match self {
-            Ok(val) => val.try_to_js(&js_env),
-            Err(err) => Err(NjError::Native(err.try_to_js(&js_env)?)),
+            Ok(val) => val.try_to_js(js_env),
+            Err(err) => Err(NjError::Native(err.try_to_js(js_env)?)),
         }
     }
 }
@@ -167,7 +167,7 @@ where
 {
     fn try_to_js(self, js_env: &JsEnv) -> Result<napi_value, NjError> {
         match self {
-            Some(val) => val.try_to_js(&js_env),
+            Some(val) => val.try_to_js(js_env),
             None => js_env.get_null(),
         }
     }
diff --git a/nj-derive/src/ast/arg.rs b/nj-derive/src/ast/arg.rs
index e01db89a..5e9cf409 100644
--- a/nj-derive/src/ast/arg.rs
+++ b/nj-derive/src/ast/arg.rs
@@ -163,7 +163,7 @@ impl<'a> ClosureType<'a> {
         for ref bound in &param.bounds {
             match bound {
                 TypeParamBound::Trait(tt) => {
-                    for ref segment in &tt.path.segments {
+                    for segment in &tt.path.segments {
                         match segment.arguments {
                             PathArguments::Parenthesized(ref path) => {
                                 return Ok(Self {
diff --git a/nj-derive/src/ast/class.rs b/nj-derive/src/ast/class.rs
index c0c3d63d..4d16e886 100644
--- a/nj-derive/src/ast/class.rs
+++ b/nj-derive/src/ast/class.rs
@@ -35,7 +35,7 @@ impl<'a> Class<'a> {
 
         // find type path
         let self_ty = match &*item.self_ty {
-            Type::Path(path_type) => MyTypePath::from(&path_type)?,
+            Type::Path(path_type) => MyTypePath::from(path_type)?,
             _ => return Err(Error::new(item.span(), "not supported receiver type")),
         };
 
diff --git a/nj-derive/src/ast/types.rs b/nj-derive/src/ast/types.rs
index 287671c9..bba2498b 100644
--- a/nj-derive/src/ast/types.rs
+++ b/nj-derive/src/ast/types.rs
@@ -134,7 +134,7 @@ impl<'a> MyDeriveInput<'a> {
 
         match &input.data {
             Data::Struct(inner_struct) => {
-                let parsed_struct = MyStruct::from_ast(&inner_struct)?;
+                let parsed_struct = MyStruct::from_ast(inner_struct)?;
                 Ok(MyDeriveInput {
                     name,
                     generics,
@@ -142,7 +142,7 @@ impl<'a> MyDeriveInput<'a> {
                 })
             }
             Data::Enum(inner_enum) => {
-                let parsed_enum = MyEnum::from_ast(&inner_enum)?;
+                let parsed_enum = MyEnum::from_ast(inner_enum)?;
                 Ok(MyDeriveInput {
                     name,
                     generics,
@@ -191,7 +191,7 @@ impl<'a> MyFields<'a> {
                     .iter()
                     .filter_map(|field| field.ident.as_ref().map(|ident| (ident, &field.ty)))
                     .map(|(ident, ty)| {
-                        MyFieldType::from(&ty).map(|ty| MyNamedField { name: &ident, ty })
+                        MyFieldType::from(ty).map(|ty| MyNamedField { name: ident, ty })
                     })
                     .collect::<Result<Vec<MyNamedField<'a>>>>()?;
 
diff --git a/nj-derive/src/generator/context.rs b/nj-derive/src/generator/context.rs
index d7eef398..575ee50f 100644
--- a/nj-derive/src/generator/context.rs
+++ b/nj-derive/src/generator/context.rs
@@ -52,7 +52,7 @@ impl<'a> FnGeneratorCtx<'a> {
     }
 
     pub fn attributes(&self) -> &FunctionAttributes {
-        &self.attributes
+        self.attributes
     }
 
     /// used for registering in the Napi
diff --git a/nj-derive/src/generator/derive.rs b/nj-derive/src/generator/derive.rs
index 1805e8de..78c8bc09 100644
--- a/nj-derive/src/generator/derive.rs
+++ b/nj-derive/src/generator/derive.rs
@@ -37,14 +37,14 @@ pub fn generate_datatype(input_data: DeriveInput) -> TokenStream {
 }
 
 fn generate_try_into_js(parsed_data: &MyDeriveInput) -> TokenStream {
-    let impl_signature = generate_impl_signature(&parsed_data.name, &parsed_data.generics);
+    let impl_signature = generate_impl_signature(parsed_data.name, &parsed_data.generics);
 
     match &parsed_data.payload {
         MyDerivePayload::Struct(struct_data) => {
-            generate_struct_try_into_js(&impl_signature, &struct_data)
+            generate_struct_try_into_js(&impl_signature, struct_data)
         }
         MyDerivePayload::Enum(enum_data) => {
-            generate_enum_try_into_js(&parsed_data.name, &impl_signature, &enum_data)
+            generate_enum_try_into_js(parsed_data.name, &impl_signature, enum_data)
         }
     }
 }
@@ -61,12 +61,8 @@ fn generate_struct_try_into_js(
     match &struct_data.fields {
         MyFields::Named(named_fields) => {
             let output_obj = format_ident!("output_obj");
-            let field_conversions = generate_named_field_conversions(
-                &output_obj,
-                &fields_scope,
-                &js_env,
-                &named_fields,
-            );
+            let field_conversions =
+                generate_named_field_conversions(&output_obj, &fields_scope, &js_env, named_fields);
 
             quote! {
                 #impl_signature {
@@ -93,7 +89,7 @@ fn generate_struct_try_into_js(
             let fields_count = unnamed_fields.len();
             let output_arr = format_ident!("output_arr");
             let field_conversions =
-                generate_unnamed_field_conversions(&output_arr, &js_env, &unnamed_fields);
+                generate_unnamed_field_conversions(&output_arr, &js_env, unnamed_fields);
 
             quote! {
                 #impl_signature {
@@ -182,8 +178,8 @@ fn generate_variant_conversion(
             let field_conversions = generate_named_field_conversions(
                 &variant_output_obj,
                 &fields_scope,
-                &js_env,
-                &named_fields,
+                js_env,
+                named_fields,
             );
 
             quote! {
@@ -215,7 +211,7 @@ fn generate_variant_conversion(
 
             let field_conversions = generate_bound_unnamed_field_conversions(
                 &variant_output_arr,
-                &js_env,
+                js_env,
                 &field_bindings,
             );