Hello,
I recently changed a way to declare function pointers to be loaded
lazily on Windows.
Traditionally, we have to write a function prototype manually to declare
a function pointer. Example:
typedef int (WINAPI *tMessageBoxW)(HWND, LPCWSTR, LPCWSTR, UINT);
tMessageBoxW messageBoxW =
(tMessageBoxW) GetProcAddress(user32, "MessageBoxW");
This is boring and error prone.
However, the new C++ decltype can eliminate the hand-written prototypes:
decltype(MessageBoxW)* messageBoxW =
(decltype(MessageBoxW)*) GetProcAddress(user32, "MessageBoxW");
This keyword is available since MSVC 10. I decided to introduce it to
Mozilla tree because Mozilla doesn't build on MSVC 9 or earlier.
Please see bug 969918 for more details.
Reagrds,
Masatoshi Kimura
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