Okay, sounds reasonable.

What about many of the phobos functions, like for example from std.regex:

int find(string s, RegExp pattern);

I mean, that function won't store anything, right?

--Marenz


Am 26.08.2010, 22:16 Uhr, schrieb Steven Schveighoffer <schvei...@yahoo.com>:

On Thu, 26 Aug 2010 16:05:00 -0400, Mathias Laurenz Baumann <anonym...@supradigital.org> wrote:

Well, topic says it all. Why is the string parameter for the Exception class in object.di an immutable(char[])?

A const(char[]) works for both, immutable(char[]) types and char[] types. why this limitation?

Normally, I'd agree with you, but if the exception gets a immutable(char)[], it can store it without duplication, and without worry it will change it.

If you passed in a const, then you'd *have* to duplicate it.

If you have a char[] or a const(char)[] that you want to pass in, call idup on it.

-Steve

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