Module proc_macro2

A preferred wrapper around the standard proc_macro crate.

See crate ::proc_macro2.

Modules

• extra
  Items which do not have a correspondence to any API in the proc_macro crate, but are necessary to include in proc-macro2.
• token_stream
  Public implementation details for the TokenStream type, such as iterators.

Structs

• Group
  A delimited token stream.
• Ident
  A word of Rust code, which may be a keyword or legal variable name.
• LexError
  Error returned from TokenStream::from_str.
• LineColumn
  A line-column pair representing the start or end of a Span.
• Literal
  A literal string ("hello"), byte string (b"hello"), character ('a'), byte character (b'a'), an integer or floating point number with or without a suffix (1, 1u8, 2.3, 2.3f32).
• Punct
  A Punct is a single punctuation character like +, - or #.
• Span
  A region of source code, along with macro expansion information.
• TokenStream
  An abstract stream of tokens, or more concretely a sequence of token trees.

Enums

• Delimiter
  Describes how a sequence of token trees is delimited.
• Spacing
  Whether a Punct is followed immediately by another Punct or followed by another token or whitespace.
• TokenTree
  A single token or a delimited sequence of token trees (e.g. [1, (), ..]).