How to declare wstring or wchar_t literal in C++

In order to declare a wstring literal, use the L prefix:

wstring-literal.cpp

wstring w = L"Test: äöü";

wstring w = L"Test: äöü";

In order to declare a wchar_t literal, you can also use the L prefix:

wchar-literal.cpp

wchar_t wc = L'ö';

wchar_t wc = L'ö';

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