Function rustc_builtin_macros::edition_panic::expand_unreachable

source · 
pub fn expand_unreachable<'cx>(
    cx: &'cx mut ExtCtxt<'_>,
    sp: Span,
    tts: TokenStream
) -> Box<dyn MacResult + 'cx>
Expand description

This expands to either

  • $crate::panic::unreachable_2015!(...) or
  • $crate::panic::unreachable_2021!(...) depending on the edition.