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