syntax_data: {"ast_node_type":"variable","tokens":[{"end":27,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:     let discr_in_discr_ty =
context_before:     let rvalue = Rvalue::Cast(cast_kind, discr_ty_bits, discr.ty);
context_after:         local_decls.push(LocalDecl::with_source_info(discr.ty, source_info)).into();