Function rustc_expand::mbe::diagnostics::failed_to_match_macro
source ยท pub(super) fn failed_to_match_macro(
psess: &ParseSess,
sp: Span,
def_span: Span,
name: Ident,
arg: TokenStream,
lhses: &[Vec<MatcherLoc>],
) -> (Span, ErrorGuaranteed)