The constructor for Gobstones lexer IncompleteMuncherWarningIn warning.
A string indicating the kind of muncher that was incomplete.
Its value is expected to be one of the keys in Lexer.muncher
in the
Locale of the component..
A string indicating the particular muncher value.
Optional
span: SpanThe span in the source where the token where error was detected started. It may be undefined, in which case an Unknown span is used (with both start and end as UnknownPosition).
A Lexer warning signaling that a muncher is incomplete.