syntax_data: {"ast_node_type":"other","tokens":[{"end":103,"kind":"keyword","start":0,"text":"ty::Binder::bind_with_vars(rustc_serialize::Decodable::decode(decoder),"}]}
source_snippet:                     ty::Binder::bind_with_vars(rustc_serialize::Decodable::decode(decoder), bound_vars)
context_before:                     let bound_vars = rustc_serialize::Decodable::decode(decoder);
context_after:                 }