immutable/mutable strings

[Jarrett Billingsley]

On Wed, Nov 19, 2008 at 8:35 PM, Zane <zane.sims at gmail.com> wrote:
> Jarrett Billingsley Wrote:
>
>> On Wed, Nov 19, 2008 at 8:13 PM, Zane <zane.sims at gmail.com> wrote:
>> > Hey all,
>> >
>> > I am trying to get a full understanding of mutable/immutable string syntax.  I understand it to be true that 'char[]' is mutable and that 'string' is immutable and is the same as invariant(char)[].  If I am incorrect on any of this, please let me know.
>>
>> That's all correct.
>>
>> > On a slightly different note, why does the compiler allow me to set an immutable value to a mutable type if it is an error?  I am using dmd v1.033 -- Is this for v2.xx only?  Thanks for any information that you can provide and sorry if these questions have already been answered.
>>
>> Yes.  The whole section on const and invariant is D2 only.  If you
>> click the "D 1" link at the top left, you'll get to the D 1
>> specification.  The Digital Mars website kind of .. "guides" you into
>> D2 with little mention of D1.
>
> Thanks for your quick response.  So then as in the example given, in D2, is this initialization allowed or was it a typo/mistake in the example?:
>
> char[] s1 = "hello world";
>

I'm not sure, I haven't touched D2 yet.