syntax_data: {"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"ty::Binder::dummy(AutoImplConstituents"}]}
source_snippet:                 ty::Binder::dummy(AutoImplConstituents { types: vec![], assumptions: vec![] })
context_before:             | ty::Char => {
context_after:             }