{"ast_node_type":"variable","tokens":[{"end":83,"kind":"keyword","start":0,"text":"let"}]}
        let (float_ty, int_ty) = if self.cx.type_kind(src_ty) == TypeKind::Vector {
        let src_ty = self.cx.val_ty(val);
            assert_eq!(self.cx.vector_length(src_ty), self.cx.vector_length(dest_ty));