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Consider std::basic_string_view a string in Traits::IsString 

* Fix e.g. using std::string_view with CppUnit and
  the tests/testutils.h header
* Fix documentation
* Possibly a source incompatible change in some rare uses but
  not worth a major version bump
This commit is contained in:
Martchus 2019-11-28 21:32:41 +01:00
parent 085ec2feca
commit 46bebace20
1 changed files with 5 additions and 2 deletions
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7
misc/traits.h
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@ -97,8 +97,11 @@ template <typename T>
struct IsCString
: Bool<std::is_same<char const *, typename std::decay<T>::type>::value || std::is_same<char *, typename std::decay<T>::type>::value> {
};
/// \brief Evaluates to Bool<true> if the specified type is a C-string (char * or const char *); otherwise evaluates to Bool<false>.
template <typename T> struct IsString : Bool<IsCString<T>::value || IsSpecializationOf<T, std::basic_string>::value> {
/// \brief Evaluates to Bool<true> if the specified type is a standard string, standard string view or C-string (char * or const char *); otherwise
/// evaluates to Bool<false>.
template <typename T>
struct IsString
: Bool<IsCString<T>::value || IsSpecializationOf<T, std::basic_string>::value || IsSpecializationOf<T, std::basic_string_view>::value> {
};
/// \brief Evaluates to Bool<true> if the specified type is complete; if the type is only forward-declared it evaluates to Bool<false>.