syntax_data: {"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"ty::Infer(infer)"}]}
source_snippet:             ty::Infer(infer) => match infer {
context_after:                 ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_) => {