{"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"ty::Float(FloatTy::F64)"}]}
                    ty::Float(FloatTy::F64) => types::F64,
                    ty::Float(FloatTy::F32) => types::F32,
                    _ => unreachable!("{:?}", lane_ty),