Jeroen Akershoek cdd9ee5a6a Improved conformance of gsl::span for compile-time errors ... as per 23.7.2.1: - span() and span(nullptr) can only be used if extent is dynamic or 0 - span( element_type(&arr)[N] ) can only be used if extent is dynamic or N - std::array can be used for initialization if extent is dynamic or size of the array - Containers can be used for initialization if pointer type is convertible as per 23.7.2.2 - first<N> and last<N> may no longer exceed the span extents		2017-12-05 23:42:12 +02:00
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gsl	Improved conformance of gsl::span for compile-time errors	2017-12-05 23:42:12 +02:00