pub fn macro_definition(input: &[Token]) -> CResult<'_, (&[u8], EvalResult)>Expand description
Parse and evaluate a macro definition from a list of tokens.
Returns the identifier for the macro and its replacement evaluated as an
expression. The input should not include #define.
Returns an error if the replacement is not a valid expression, if called on a function-like macro, or if the token stream contains comments, keywords or identifiers.