[Lazarus] Making sources compatible with Delphi (but Lazarus is priority)

[Sven Barth]

Am 03.05.2017 14:37 schrieb "Tony Whyman via Lazarus" <
lazarus at lists.lazarus-ide.org>:
> On the other hand, AnsiString and UnicodeString are still separate types.
Why? Why should there not be a single unified string type with (e.g.)
ASCII, UTF8 and UTF-16 (or MS Unicode) being just another code page?

Because indexed access to the string data would slow down quite a bit as
the RTL would need to determine whether the string is a 1-Byte, 2-Byte,
4-Byte or multi Byte String. Yes the compiler could do optimizations for
this inside loops, but it would definitely slow down -O- code.

Regards,
Sven
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