syntax_data: {"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"tcx.dcx().emit_err(PeekMustBeNotTemporary"}]}
source_snippet:                         tcx.dcx().emit_err(PeekMustBeNotTemporary { span });
context_before:                     } else {
context_after:                         return None;