Crate proc_macro0 Copy item path Source 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 #. SourceFile The source file of a given Span. 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. 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, (), ..]).