macro_rules! ext_bail_if { ($e:expr, $cx:expr, $sp:expr, $msg:expr) => {{ if $e { ext_bail!($cx, $sp, $msg) } }} }
ext_bail! if the condition $e is true.
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)