warning: length comparison to zero
   --> src/serde.rs:166:31
    |
166 |     if valid_variants == 0 && e.variants().len() != 0 {
    |                               ^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!e.variants().is_empty()`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero

warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
   --> src/lang/ts/mod.rs:633:31
    |
633 |     if let Some(first_char) = ident.chars().nth(0) {
    |                               ^^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `ident.chars().next()`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth_zero
    = note: `#[warn(clippy::iter_nth_zero)]` implied by `#[warn(clippy::all)]`

warning: length comparison to zero
   --> src/lang/ts/mod.rs:429:24
    |
429 |                     if obj.fields.len() == 0 {
    |                        ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `obj.fields.is_empty()`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
    = note: `#[warn(clippy::len_zero)]` implied by `#[warn(clippy::all)]`

warning: single-character string constant used as pattern
   --> src/lang/ts/mod.rs:223:74
    |
223 |                 || (dt.contains(' ') && (dt.contains("&") || dt.contains("|")))
    |                                                                          ^^^ help: try using a `char` instead: `'|'`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern

warning: single-character string constant used as pattern
   --> src/lang/ts/mod.rs:223:54
    |
223 |                 || (dt.contains(' ') && (dt.contains("&") || dt.contains("|")))
    |                                                      ^^^ help: try using a `char` instead: `'&'`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
    = note: `#[warn(clippy::single_char_pattern)]` implied by `#[warn(clippy::all)]`

warning: using a reference to `Cow` is not recommended
   --> src/lang/ts/mod.rs:107:11
    |
107 |     docs: &Cow<'static, str>,
    |           ^^^^^^^^^^^^^^^^^^ help: change this to: `&str`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
    = note: `#[warn(clippy::ptr_arg)]` implied by `#[warn(clippy::all)]`

warning: calling `push_str()` using a single-character string literal
  --> src/lang/ts/js_doc.rs:72:9
   |
72 |         self.value.push_str("\n");
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `self.value.push('\n')`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
   = note: `#[warn(clippy::single_char_add_str)]` implied by `#[warn(clippy::all)]`

warning: this expression creates a reference which is immediately dereferenced by the compiler
  --> src/lang/ts/comments.rs:21:33
   |
21 |         builder.push_deprecated(&deprecated);
   |                                 ^^^^^^^^^^^ help: change this to: `deprecated`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
note: the lint level is defined here
  --> src/lib.rs:3:9
   |
3  | #![warn(clippy::all, clippy::unwrap_used, clippy::panic)] // TODO: missing_docs
   |         ^^^^^^^^^^^
   = note: `#[warn(clippy::needless_borrow)]` implied by `#[warn(clippy::all)]`

warning: constant `RESERVED_IDENTS` is never used
  --> src/lang/ts/reserved_terms.rs:66:18
   |
66 | pub(crate) const RESERVED_IDENTS: &[&str] = &[
   |                  ^^^^^^^^^^^^^^^
   |
   = note: `#[warn(dead_code)]` on by default