[−][src]Function syntax::ext::source_util::expand_file
pub fn expand_file(
cx: &mut ExtCtxt,
sp: Span,
tts: &[TokenTree]
) -> Box<dyn MacResult + 'static>
file!(): expands to the current filename */
The source_file (loc.file
) contains a bunch more information we could spit
out if we wanted.