Dave Hill c02ddae4bc Span can be constructed from empty std::array safely (#686) ... * Span std::array c'tor uses arr.data() instead of &arr[0] - Fixes runtime issues when constructing from an empty std::array * Construct span with std::data if C++17 detected * Specialize span c'tor for std::array of length 0, set storage to nullptr		2018-11-05 15:39:41 -08:00
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gsl	Span can be constructed from empty std::array safely (#686)	2018-11-05 15:39:41 -08:00