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Fix build errors when compiling in C++20 mode

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C++20 removes the ability to stream char32_t characters.
This is the error I get when setting CMAKE_CXX_STANDARD
to 20.

    /Users/thrasher/Projects/sfml/test/System/String.test.cpp:32:52: error: overload resolution selected deleted operator '<<'
       32 |     stream << "[\\x" << std::uppercase << std::hex << character << ']';
          |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^  ~~~~~~~~~
    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.2.sdk/usr/include/c++/v1/ostream:1009:31: note: candidate function [with _Traits = std::char_traits<char>] has been explicitly deleted
     1009 | basic_ostream<char, _Traits>& operator<<(basic_ostream<char, _Traits>&, char32_t) = delete;
          |                               ^
This commit is contained in:
Chris Thrasher 2025-01-20 00:09:28 -07:00 committed by Lukas Dürrenberger
parent 97dfa7692d
commit 08bfae34e7
2 changed files with 2 additions and 2 deletions
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2
examples/keyboard/Keyboard.cpp
View File

@ -734,7 +734,7 @@ sf::String textEventDescription(const sf::Event::TextEntered& textEntered)
text += "\nU+";
std::ostringstream oss;
oss << std::hex << std::setw(4) << std::setfill('0') << textEntered.unicode;
oss << std::hex << std::setw(4) << std::setfill('0') << std::uint32_t{textEntered.unicode};
text += oss.str();
return text;

2
test/System/String.test.cpp
View File

@ -29,7 +29,7 @@ auto select(const std::basic_string<T>& string16, const std::basic_string<T>& st
auto toHex(const char32_t character)
{
std::ostringstream stream;
stream << "[\\x" << std::uppercase << std::hex << character << ']';
stream << "[\\x" << std::uppercase << std::hex << std::uint32_t{character} << ']';
return stream.str();
}
} // namespace