Function syntax::ext::tt::macro_rules::add_new_extension[src]
pub fn add_new_extension(cx: &mut ExtCtxt, sp: Span, name: Ident, arg: Vec<TokenTree>) -> Box<MacResult>
syntax::ext::tt::macro_rules
syntax::ext::tt::macro_rules
pub fn add_new_extension(cx: &mut ExtCtxt, sp: Span, name: Ident, arg: Vec<TokenTree>) -> Box<MacResult>
Prefix searches with a type followed by a colon (e.g.
fn:) to restrict the search to a given type.
Accepted types are: fn, mod,
struct (or str), enum,
trait, typedef (or
tdef).