syntax::ext::base::MacroExpanderFn[src]
type MacroExpanderFn = fn(ecx: &mut ExtCtxt, span: Span, token_tree: &[TokenTree]) -> Box<MacResult>;
type MacroExpanderFn = fn(ecx: &mut ExtCtxt, span: Span, token_tree: &[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).