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Avoid saying constexpr for VS2013. #834

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Merged
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Aug 12, 2018
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Avoid saying constexpr for VS2013. #834

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8 changes: 7 additions & 1 deletion Release/include/cpprest/asyncrt_utils.h
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Original file line number Diff line number Diff line change
Expand Up @@ -359,7 +359,13 @@ namespace details
inline bool __cdecl is_alnum(const unsigned char uch) CPPREST_NOEXCEPT
{ // test if uch is an alnum character
// special casing char to avoid branches
static constexpr bool is_alnum_table[UCHAR_MAX + 1] =
static
#if !defined(_MSC_VER) || _MSC_VER >= 1900
constexpr
#else
const
#endif
bool is_alnum_table[UCHAR_MAX + 1] =
{
/* X0 X1 X2 X3 X4 X5 X6 X7 X8 X9 XA XB XC XD XE XF */
/* 0X */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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