syntax_data: {"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"|"}]}
source_snippet:                     | PlaceContext::MutatingUse(MutatingUseContext::Borrow)
context_before:                 PlaceContext::NonMutatingUse(NonMutatingUseContext::SharedBorrow)
context_after:             )