Bump syn from 1.0.81 to 1.0.91

[dependabot]

Bumps syn from 1.0.81 to 1.0.91.

Release notes

Sourced from syn's releases.

1.0.91

• impl ToTokens for RangeLimits
• impl Parse for ExprAwait
• impl Parse for GenericMethodArgument
• impl Parse for MethodTurbofish

1.0.90

• Update recommended exhaustive matching idiom to use non_exhaustive_omitted_patterns lint:

  match expr {
      Expr::Array(e) => {…}
      Expr::Assign(e) => {…}
      ...
      Expr::Yield(e) => {…}
  #[cfg_attr(test, deny(non_exhaustive_omitted_patterns))]
  _ => {/* some sane fallback */}
  
  }

1.0.89

• Remove support for inner attributes on non-block expressions (#1146, rust-lang/rust#83312)
• Fix panic on comma after mut self in a bare fn type (#1148)

1.0.88

• Parse .. pattern in pattern of let (#1136)
• Parse for<…> lifetime introducer on closures (#1135)
• Reject postfix operators after cast (#1117)
• Implement extra-traits for Nothing (#1144)

1.0.87

• Parse trait bounds containing associated constant constraint (#1138)
• Change syntax of where-clauses on generic associated types (#1071, rust-lang/rust#89122)

1.0.86

• Add support for parsing if- and while-let-chains (RFC 2497)

1.0.85

• Add token() method to each variant of syn::Lit to expose the underlying token representation with original formatting

1.0.84

• Add parse_quote_spanned! macro which is a combination parse_quote! + quote_spanned!

1.0.83

• Fix panic parsing trait impl with qself in trait type: impl <Thing<>>::Trait for Type {} (#1109)
• Preserve attributes on let-else stmt: #[attr] let pat = val else { return } (#1110)

1.0.82

• Support parenthesized generic argument syntax with :: disambiguator: Fn::() -> ! (#1096)

Commits

• 183e344 Release 1.0.91
• 6ae1c80 impl Parse for MethodTurbofish
• e1ffb07 impl Parse for GenericMethodArgument
• cef0d69 impl Parse for ExprAwait
• 714f868 Sort the Expr variants in impl_by_parsing_expr call
• d94e7f1 Merge pull request #1158 from frank2/rangelimits-to-tokens
• 72e6ffc #1157 implement ToTokens for RangeLimits enum
• 86c9fa4 Merge pull request 1156 from ZuseZ4/patch-1
• 7e58d02 Improve lookahead documentation
• a0f0bb3 Release 1.0.90
• Additional commits viewable in compare view

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[dependabot]

Superseded by #101.