syntax_data: {"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"PlaceContext::MutatingUse(MutatingUseContext::Yield),"}]}
source_snippet:                 PlaceContext::MutatingUse(MutatingUseContext::Yield),
context_before:                 &resume_place,
context_after:                 Location::START,