C++ keyword: decltype (since C++11)
Min standard notice:
# Notes
Feature-test macro Value Std Feature __cpp_decltype 200707L (C++11) decltype __cpp_decltype_auto 201304L (C++14) Return type deduction for normal functions
Feature-test macro Value Std Feature __cpp_decltype 200707L (C++11) decltype __cpp_decltype_auto 201304L (C++14) Return type deduction for normal functions