Lancern's Treasure Chest - https://stackoverflow.com/questions/75212236/do-lambda-expressions-that-appear-in-different-definitions-of-a-same-entity-prod可以提交 defect report 了

11:13 · Jan 24, 2023 · Tue

https://stackoverflow.com/questions/75212236/do-lambda-expressions-that-appear-in-different-definitions-of-a-same-entity-prod

可以提交 defect report 了

Do lambda expressions that appear in different definitions of a same entity produce the same closure type?

In C++20 we can use lambda expressions in unevaluated contexts. Consider the following C++20 code:
foo.cpp
#include <typeinfo>

struct Foo {
using T = decltype([]{});
}; // struct Foo

con...

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