Function ToUpper

util/charset/wide.cpp:224–227

}

bool ToUpper(TUtf16String& text, size_t pos, size_t count) {
    const auto f = [](const wchar32 s) { return ToUpper(s); };
    return ModifyStringSymbolwise(text, pos, count, f);
}

bool ToLower(TUtf32String& text, size_t pos, size_t count) {
    const auto f = [](const wchar32 s) { return ToLower(s); };