dtolnay/syn 0.10.0

on GitHub

Significant new features

• Expand custom derives on stable Rust
• Optionally pretty-print expanded output

Lots of minor enhancements

• More efficient implementation of Generics::split_for_impl
• Support for out-of-line modules i.e. mod foo; in addition to mod foo { ... }
• From impls for constructing the various Lit variants (#50, thanks @killercup)
• Parsing of raw byte strings
• Parsing of floating-point literals
• Parsing of integer literals containing underscores for visual alignment
• Parsing of hex, octal, and binary integer literals
• More restrictive parsing of variable names
• Nicer output for string literals containing the zero byte \0
• Parsing of doc comments inside of macro invocations
• Parsing of const trait and impl methods
• Parsing of bare function types containing lifetimes
• Parsing of module inner attributes
• Parsing of hex escapes greater than \x7F in byte strings and byte literals
• Parsing of trailing commas in a match expression
• Parsing of slice patterns
• Parsing of unsafety and ABI associated with a bare function type
• Parsing of variadic extern functions
• Parsing of negative integer literal patterns
• Parsing of inner attributes within functions and methods
• Parsing of trailing commas in use declarations
• Parsing of attributes on statements
• Parsing of where clauses on type aliases
• Parsing of left-to-right mark and right-to-left mark codepoints
• Parsing of placement syntax
• Parsing of shebang at the top of a file
• Parsing of shorthand syntax within struct literal expressions
• Parsing of trailing commas inside generics
• Parsing of carriage returns in multiline string literals
• Parsing of pub(crate) and pub(restricted) visibility modifiers
• Parsing of byte order marks
• Parsing of trailing commas in slice patterns