Enum rustc_expand::mbe::macro_parser::ParseResult
source · pub(crate) enum ParseResult<T> {
Success(T),
Failure(Token, &'static str),
Error(Span, String),
ErrorReported(ErrorGuaranteed),
}Expand description
Represents the possible results of an attempted parse.
Variants§
Success(T)
Parsed successfully.
Failure(Token, &'static str)
Arm failed to match. If the second parameter is token::Eof, it indicates an unexpected
end of macro invocation. Otherwise, it indicates that no rules expected the given token.
Error(Span, String)
Fatal error (malformed macro?). Abort compilation.
ErrorReported(ErrorGuaranteed)
Auto Trait Implementations§
impl<T> !RefUnwindSafe for ParseResult<T>
impl<T> !Send for ParseResult<T>
impl<T> !Sync for ParseResult<T>
impl<T> Unpin for ParseResult<T>where
T: Unpin,
impl<T> !UnwindSafe for ParseResult<T>
Blanket Implementations§
Layout§
Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.