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string: add string_view overload to to_upper

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This commit is contained in:
Danny Robson 2020-04-01 13:02:28 +11:00
parent 7b5a0b7ad0
commit 757253ee4e
1 changed files with 8 additions and 1 deletions
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9
string.hpp
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@ -40,7 +40,7 @@ namespace cruft {
/// Apply a functor to each character of a string and return the result. /// Apply a functor to each character of a string and return the result.
template <typename FunctionT> template <typename FunctionT>
std::string std::string
transform (std::string const &val, FunctionT &&func) transform (std::string_view val, FunctionT &&func)
{ {
std::string res; std::string res;
res.reserve (val.size ()); res.reserve (val.size ());
@ -56,6 +56,13 @@ namespace cruft {
} }
inline std::string
to_upper (std::string_view const &val)
{
return transform (val, ::toupper);
}
/// Convert the provided string to all upper case /// Convert the provided string to all upper case
inline std::string inline std::string
to_upper (std::string &&val) to_upper (std::string &&val)