[Interest] Why QString and not std::string?

Konstantin Tokarev annulen at yandex.ru
Fri Jun 15 13:25:54 CEST 2012



15.06.2012, 15:19, "Rui Maciel" <rui.maciel at gmail.com>:
> On 06/15/2012 11:55 AM, Konstantin Tokarev wrote:
>
>>  1. Historical reasons - STL was not implemented on the same level in all compilers
>>  in the past.
>
> Is this constraint still relevant today?

Not so long ago it turned out that toolchain for some SoC was shipped without STL so I had
to eliminate its usage.

>
>>  2. std::string does not hadle UTF16 strings, and std::wstring is non-standard
>
> With C++11, UTF-16 strings are supported through the std::u16string
> type, which is a typedef for basic_string<char16_t>.

Not everyone can use C++11 today.

>
> Nevertheless, why is it important to support UTF-16?

1. Faster string search modification than for UTF8
2. It's native UTF string format on Windows and Mac OS X.

-- 
Regards,
Konstantin



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