Bump syn from 0.15.40 to 1.0.12

[dependabot-preview[bot]]

Bumps syn from 0.15.40 to 1.0.12.

Release notes

Sourced from syn's releases.

1.0.12

• Reject function signatures with an incorrectly placed receiver parameter, like fn f(x: u8, &self)
• Produce correctly spanned error when parsing punct beyond the end of a delimited group (#739)

1.0.11

• Implement quote::IdentFragment for syn::Member and syn::Index so that spans are preserved when using these types in quote's format_ident! macro

  use quote::format_ident;
  use syn::Index;
  let index: Index = /* ... */;
  let ident = format_ident!("__{}", index); // produces __0, __1, etc
  

1.0.10

• Provide Hash and Eq impls for syn::Member even without "extra-traits" feature enabled, as this type is commonly useful in a hashset

1.0.9

• Fix failure to parse tuple struct fields of tuple type starting with crate (#720, #723, thanks @mystor)
• Fix unexpected tokens being ignored when using Speculative::advance_to (#721, #723, thanks @mystor)

1.0.8

• Require trailing comma when parsing TypeTuple with one element (#716, thanks @8BitMate)

1.0.7

• Add a receiver getter to syn::Signature (#714, thanks @mystor)

  impl Signature {
      /// A method's `self` receiver, such as `&self` or `self: Box<Self>`.
      pub fn receiver(&self) -> Option<&FnArg>;
  }
  

1.0.6

• Add conversions from Item{Struct,Enum,Union} into DeriveInput (#711, thanks @mystor)
• Add Fields::len and Fields::is_empty (#712, thanks @mjbshaw)

1.0.5

• Expose syn::Variadic with just "derive" feature, not "full", because it appears in Type::BareFn

1.0.4

• Fix size_hint of Punctuated iterators (#700, thanks @ExpHP)

1.0.3

• Add Path::get_ident (#696, thanks @infinity0)

1.0.2

• Documentation improvements

... (truncated)

Commits

• e87c27e Release 1.0.12
• d42efb6 Frontload the tests builder in travis
• 3773149 Ignore missing_errors_doc pedantic lint
• c7230e4 Resolve redundant_field_names lint in build.rs
• 61087d4 Merge pull request #740 from dtolnay/closing
• 9bdbe29 Point to closing delimiter when parsing punct past end of group
• d73545c Expose fine-grained span of ParseStream
• 505bc31 Work around travis deadlock during repo download
• 43abbb9 Remove excess logs from test_precedence
• d627abc Make errorf macro available in benches
• Additional commits viewable in compare view

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[dependabot-preview[bot]]

Superseded by #551.