zhiqiang-hhhh commented on code in PR #32614:
URL: https://github.com/apache/doris/pull/32614#discussion_r1536591881
##########
be/src/vec/common/typeid_cast.h:
##########
@@ -43,34 +43,20 @@
*/
template <typename To, typename From>
requires std::is_reference_v<To>
-To typeid_cast(From& from) {
- try {
- if (typeid(from) == typeid(To)) {
- return static_cast<To>(from);
- }
- } catch (const std::exception& e) {
- throw doris::Exception(doris::ErrorCode::BAD_CAST, e.what());
- }
+To typeid_cast(From& from) noexcept(false) {
+ if ((typeid(From) == typeid(To)) || (typeid(from) == typeid(To))) return
static_cast<To>(from);
throw doris::Exception(doris::ErrorCode::BAD_CAST,
"Bad cast from type " +
demangle(typeid(from).name()) + " to " +
demangle(typeid(To).name()));
}
template <typename To, typename From>
-To typeid_cast(From* from) {
-#ifndef NDEBUG
- try {
- if (typeid(*from) == typeid(std::remove_pointer_t<To>)) {
- return static_cast<To>(from);
- }
- } catch (const std::exception& e) {
- throw doris::Exception(doris::ErrorCode::BAD_CAST, e.what());
- }
-#else
- if (typeid(*from) == typeid(std::remove_pointer_t<To>)) {
+ requires std::is_pointer_v<To>
+To typeid_cast(From* from) noexcept {
Review Comment:
I dont know whether `typeid_cast(nullptr)` is designed as a common use
scenario
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