https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101213
Bug ID: 101213
Summary: Improve support for decltype(std)
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: llvm at rifkin dot dev
Target Milestone: ---
Gcc treats decltype(std) as an integer. It only works in some situations
though:
// OK
decltype(std) a;
static_assert(std::is_same<int, decltype(a)>::value);
// Not OK
static_assert(std::is_same<int, decltype(std)>::value);
// OK
decltype(std) a;
using b = decltype(a);
using c = b;
// Not OK
using a = decltype(std);
using b = a;
decltype(std) foo(int a) {} // OK
auto foo() -> decltype(std) {} // OK
void foo(decltype(std) a) {} // Not OK
// Not OK
std::vector<decltype(std)> v;
This bug is hilarious please improve support for it and make it a feature :)
It's invaluable for code bowling and nerd sniping.