Viewing file:  udlit-string-length.C (1.11 KB) -rw-r--r--
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// { dg-do compile { target c++11 } }
// PR c++/50941
typedef decltype(sizeof(0)) size_type;
constexpr size_type
operator"" _len(const char*, size_type len)
{
return len;
}
#if __cpp_char8_t
constexpr size_type
operator"" _len(const char8_t*, size_type len)
{
return len;
}
#endif
constexpr size_type
operator"" _len(const wchar_t*, size_type len)
{
return len;
}
constexpr size_type
operator"" _len(const char16_t*, size_type len)
{
return len;
}
constexpr size_type
operator"" _len(const char32_t*, size_type len)
{
return len;
}
static_assert( ""_len == 0, "Ouch");
static_assert(u8""_len == 0, "Ouch");
static_assert( L""_len == 0, "Ouch");
static_assert( u""_len == 0, "Ouch");
static_assert( U""_len == 0, "Ouch");
static_assert( "1"_len == 1, "Ouch");
static_assert(u8"1"_len == 1, "Ouch");
static_assert( L"1"_len == 1, "Ouch");
static_assert( u"1"_len == 1, "Ouch");
static_assert( U"1"_len == 1, "Ouch");
static_assert( "123"_len == 3, "Ouch");
static_assert(u8"123"_len == 3, "Ouch");
static_assert( L"123"_len == 3, "Ouch");
static_assert( u"123"_len == 3, "Ouch");
static_assert( U"123"_len == 3, "Ouch");
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