syntax_data: {"ast_node_type":"other","tokens":[{"end":18,"kind":"keyword","start":0,"text":")"}]}
source_snippet:             ) => {
context_before:                 mir::Rvalue::Use(mir::Operand::Move(place) | mir::Operand::Copy(place)),
context_after:                 let loc = Location { block: bb, statement_index };