diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index 4d9f666f..db074e7e 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -30,3 +30,15 @@ jobs:
       - uses: katyo/publish-crates@v1
         with:
           registry-token: ${{ secrets.CARGO_REGISTRY_TOKEN }}
+
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 12
+          registry-url: https://registry.npmjs.org/
+
+      - name: "generate procs.js"
+        run: yarn && yarn tsc
+
+      - run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.npm_token}}
diff --git a/.npmignore b/.npmignore
new file mode 100644
index 00000000..7711676b
--- /dev/null
+++ b/.npmignore
@@ -0,0 +1,16 @@
+
+.github/
+example/
+js-out/
+src/
+tests/
+calcit/
+
+.calcit-error.cirru
+calcit_runner.nimble
+webpack.config.js
+yarn.lock
+profile_results.txt
+
+Cargo.lock
+Cargo.toml
diff --git a/Cargo.lock b/Cargo.lock
index b3ca82c0..09055a71 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -81,7 +81,7 @@ dependencies = [
 
 [[package]]
 name = "calcit_runner"
-version = "0.1.0"
+version = "0.3.0-a1"
 dependencies = [
  "cirru_edn",
  "cirru_parser",
diff --git a/Cargo.toml b/Cargo.toml
index 75b10139..03cfbf17 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "calcit_runner"
-version = "0.1.0"
+version = "0.3.0-a1"
 authors = ["jiyinyiyong <jiyinyiyong@gmail.com>"]
 edition = "2018"
 
diff --git a/package.json b/package.json
index 71af0d66..cc107e42 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@calcit/procs",
-  "version": "0.2.111",
+  "version": "0.3.0-a1",
   "main": "./lib/calcit.procs.js",
   "devDependencies": {
     "@types/node": "^14.14.41",
diff --git a/src/builtins.rs b/src/builtins.rs
index fb70e04c..20dec10a 100644
--- a/src/builtins.rs
+++ b/src/builtins.rs
@@ -35,9 +35,13 @@ pub fn is_proc_name(s: &str) -> bool {
       | "turn-keyword"
       // effects
       | "echo"
+      | "println" // alias for echo
       | "echo-values"
       | "raise"
       | "cpu-time"
+      | "quit"
+      | "get-env"
+      | "&get-calcit-backend"
       // logics
       | "&="
       | "&<"
@@ -150,9 +154,13 @@ pub fn handle_proc(name: &str, args: &CalcitItems) -> Result<Calcit, String> {
     "turn-keyword" => meta::turn_keyword(args),
     // effects
     "echo" => effects::echo(args),
+    "println" => effects::echo(args), // alias
     "echo-values" => effects::echo_values(args),
     "raise" => effects::raise(args),
     "cpu-time" => effects::cpu_time(args),
+    "quit" => effects::quit(args),
+    "get-env" => effects::get_env(args),
+    "&get-calcit-backend" => effects::call_get_calcit_backend(args),
     // logics
     "&=" => logics::binary_equal(args),
     "&<" => logics::binary_less(args),
diff --git a/src/builtins/effects.rs b/src/builtins/effects.rs
index f6dee9c7..844fc42b 100644
--- a/src/builtins/effects.rs
+++ b/src/builtins/effects.rs
@@ -1,6 +1,10 @@
+use std::env;
+use std::process::exit;
 use std::sync::Mutex;
 use std::time::Instant;
 
+use crate::util::number::f64_to_i32;
+
 use crate::primes::{Calcit, CalcitItems};
 
 #[derive(Clone, Debug)]
@@ -84,3 +88,33 @@ pub fn calcit_running_mode(_xs: &CalcitItems) -> Result<Calcit, String> {
     CliRunningMode::Ir => Ok(Calcit::Keyword(String::from("ir"))),
   }
 }
+
+// TODO
+pub fn call_get_calcit_backend(_xs: &CalcitItems) -> Result<Calcit, String> {
+  Ok(Calcit::Keyword(String::from("rust")))
+}
+
+pub fn quit(xs: &CalcitItems) -> Result<Calcit, String> {
+  match xs.get(0) {
+    Some(Calcit::Number(n)) => match f64_to_i32(*n) {
+      Ok(code) => exit(code),
+      Err(e) => unreachable!("quit failed to get code from f64, {}", e),
+    },
+    Some(a) => Err(format!("quit expected i32 value, got: {}", a)),
+    None => Err(String::from("quit expected a code, got nothing")),
+  }
+}
+
+pub fn get_env(xs: &CalcitItems) -> Result<Calcit, String> {
+  match xs.get(0) {
+    Some(Calcit::Str(s)) => match env::var(s) {
+      Ok(v) => Ok(Calcit::Str(v)),
+      Err(e) => {
+        println!("get-env {}", e);
+        Ok(Calcit::Nil)
+      }
+    },
+    Some(a) => Err(format!("get-env expected a string, got {}", a)),
+    None => Err(String::from("get-env expected an argument, got nothing")),
+  }
+}
diff --git a/src/cirru/calcit-core.cirru b/src/cirru/calcit-core.cirru
index 783dd462..97774b43 100644
--- a/src/cirru/calcit-core.cirru
+++ b/src/cirru/calcit-core.cirru
@@ -792,17 +792,6 @@
                       raise
                         ~ $ &str-concat (&str-concat message "| ") xs
 
-        |println $ quote
-          defn println (& xs)
-            ; "TODO print not implemented, use syntax echo"
-            print & xs
-            when
-              = (&get-calcit-backend) :nim
-              print "|\n"
-
-        |echo $ quote
-          def echo println
-
         |join-str $ quote
           defn join-str (xs0 sep)
             apply-args
diff --git a/src/runner/preprocess.rs b/src/runner/preprocess.rs
index 298d1079..e83d8fbc 100644
--- a/src/runner/preprocess.rs
+++ b/src/runner/preprocess.rs
@@ -303,7 +303,10 @@ pub fn preprocess_defn(
           Calcit::Symbol(sym, def_ns, _) => {
             check_symbol(sym, program_code);
             zs.push_back(Calcit::Symbol(sym.clone(), def_ns.clone(), Some(ResolvedRaw)));
-            body_defs.insert(sym.clone());
+            // skip argument syntax marks
+            if sym != "&" && sym != "?" {
+              body_defs.insert(sym.clone());
+            }
           }
           _ => return Err(format!("expected defn args to be symbols, got: {}", y)),
         }