macro_rules! ext_bail { ($cx:expr, $sp:expr, $msg:expr) => {{ $cx.span_err($sp, $msg); return ::syntax::ext::base::DummyResult::any($sp); }} }
Call span_err on an ExtCtxt and return DummyResult::any.
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, enum,
trait, type, macro,
and const.
Search functions by type signature (e.g.
vec -> usize)