Function syntax::ext::source_util::expand_file [] [src]

pub fn expand_file(cx: &mut ExtCtxt,
                   sp: Span,
                   tts: &[TokenTree])
                   -> Box<MacResult + 'static>
🔬 This is a nightly-only experimental API. (rustc_private)

file!(): expands to the current filename */ The filemap (loc.file) contains a bunch more information we could spit out if we wanted.