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Add string_view test case and modify deduction guides

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This commit is contained in:
Casey Carter
2020-05-28 18:00:40 -07:00
parent 6c405a1b7f
commit c143a07f61
2 changed files with 22 additions and 4 deletions
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16
tests/span_tests.cpp
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@ -31,6 +31,13 @@
#include <vector> // for vector
#include <utility>
#ifdef __has_include
#if __has_include(<string_view>)
#include <string_view>
#define HAS_STRING_VIEW
#endif
#endif
using namespace std;
using namespace gsl;
@ -1234,11 +1241,20 @@ TEST(span_test, from_array_constructor)
{
std::vector v{1,2,3,4};
gsl::span sp{v};
static_assert(std::is_same<decltype(sp), gsl::span<int>>::value);
}
{
std::string str{"foo"};
gsl::span sp{str};
static_assert(std::is_same<decltype(sp), gsl::span<char>>::value);
}
#ifdef HAS_STRING_VIEW
{
std::string_view sv{"foo"};
gsl::span sp{sv};
static_assert(std::is_same<decltype(sp), gsl::span<const char>>::value);
}
#endif
#endif
}