fn macro_definition<'a, 'b, I>(
grammar: &Grammar<'a, 'b, I>,
) -> impl Parser<'a, I, MacroDefinition, Full<Rich<'a, Token>, State<'a>, ()>> + use<'a, 'b, I>where
I: Input<'a, Token = Token, Span = SimpleSpan> + ValueInput<'a>,
Expand description
Macros are described in section 6-4 of the TX-2 User Handbook.