Module pear::macros

Macros.

• parse_declare!
• parse_error!
• impl_show_with!

Macros

• impl_show_with
  Implements the Show trait for $($T)+ using the existing trait $trait.
• is_parse_debug
• parse
  Runs the parser with the given name and input, then [parsers::eof()].
• parse_context
  Returns the context from the current mark to the input position inclusive.
• parse_current_marker
  Return the mark at the current parsing position.
• parse_declare
• parse_error
  Returns an Err(ParseError::new($e)). Can used like format! as well.
• parse_last_marker
  Returns the last marker that was set.
• parse_mark
  Sets the marker to the current position.
• parse_try
  Runs a parser returning Some if it succeeds or None otherwise.
• switch
  Invoked much like match, except each condition must be a parser, which is executed, and the corresponding arm is executed only if the parser succeeds. Once a condition succeeds, no other condition is executed.

Attribute Macros

• parser
  The core attribute macro. Can only be applied to free functions with at least one parameter and a return value. To typecheck, the free function must meet the following typing requirements: