momo5502 8cef16017e Use wink-signals
boost.signals sadly requires way too many dependencies, libsigc++ requires too much configuration and all the other libs I tested mostly required constexpr as callbacks (due to passing callbacks via template list), which doesn't server this purpose, so wink-signals seems just about right for what we do.
2016-02-11 11:26:41 +01:00
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