{"ast_node_type":"function","tokens":[{"end":93,"kind":"keyword","start":0,"text":"///"}]}
///     fn f2(s: S<'_>);         // res=Param, name='_, source=Path, syntax=ExplicitAnonymous
///     fn f1(s: S);             // res=Param, name='_, source=Path, syntax=Implicit
///     fn f3<'a>(s: S<'a>);     // res=Param, name='a, source=Path, syntax=ExplicitBound