{"ast_node_type":"other","tokens":[{"end":23,"kind":"keyword","start":0,"text":"///"}]}
/// unsafe extern "C" {
/// struct S<'a>(&'a u32);       // res=Param, name='a, source=Reference, syntax=ExplicitBound
///     fn f1(s: S);             // res=Param, name='_, source=Path, syntax=Implicit