NotParserExtension<R> extension

on

• Parser<R>

Methods

neg([String message = 'input not expected']) → Parser<String>

Returns a parser that consumes any input token (character), but the receiver.

not([String message = 'success not expected']) → Parser<Failure>

Returns a parser (logical not-predicate) that succeeds with the Failure whenever the receiver fails, but never consumes input.