syntax_data: {"ast_node_type":"other","tokens":[{"end":14,"kind":"keyword","start":0,"text":")"}]}
source_snippet:         ) => {
context_before:             ty::ConstKind::Infer(ty::InferConst::Var(b_vid)),
context_after:             infcx.equate_const_vids_raw(a_vid, b_vid);