Function rustc_builtin_macros::cfg::expand_cfg
source · pub fn expand_cfg(
cx: &mut ExtCtxt<'_>,
sp: Span,
tts: TokenStream
) -> Box<dyn MacResult + 'static>pub fn expand_cfg(
cx: &mut ExtCtxt<'_>,
sp: Span,
tts: TokenStream
) -> Box<dyn MacResult + 'static>