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Accept generic arguments in ci_equal

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This commit is contained in:
Vinnie Falco
2014-11-13 17:22:11 -08:00
parent 5d33ce352e
commit f3ebd508d6
1 changed files with 6 additions and 5 deletions
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11
beast/utility/ci_char_traits.h
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@@ -21,6 +21,7 @@
#define BEAST_UTILITY_CI_CHAR_TRAITS_H_INCLUDED
#include <beast/cxx14/algorithm.h> // <algorithm>
#include <beast/cxx14/type_traits.h> // <type_traits>
#include <cctype>
#include <locale>
#include <string>
@@ -48,13 +49,13 @@ struct ci_less
};
/** Returns `true` if strings are case-insensitive equal. */
template <class String>
bool
ci_equal(String const& lhs, String const& rhs)
template <class Lhs, class Rhs>
std::enable_if_t<std::is_same<typename Lhs::value_type, char>::value &&
std::is_same<typename Lhs::value_type, char>::value, bool>
ci_equal(Lhs const& lhs, Rhs const& rhs)
{
typedef typename String::value_type char_type;
return std::equal (lhs.begin(), lhs.end(), rhs.begin(), rhs.end(),
[] (char_type lhs, char_type rhs)
[] (char lhs, char rhs)
{
return std::tolower(lhs) == std::tolower(rhs);
}