[Issue 11346] [2.064 beta] field initializing not allowed in loops or after labels

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=11346



--- Comment #1 from Kenji Hara <k.hara.pg at gmail.com> 2013-10-24 17:24:38 PDT ---
(In reply to comment #0)
> Code:
> ----
> import std.stdio;
> 
> struct Test {
> public:
>     const int[] test;
> 
>     this(int i) {
>         for (size_t j = 0; j < 4; ++j) {
>             this.test ~= i + j;
>         }
>     }
> }
> 
> void main() {
>     Test t = Test(42);
> }
> ----
> 
> Error: field test initializing not allowed in loops or after labels
> 
> WTF?

It's intended behavior change introduced by fixing bug 9665.
Possible code fix is:

    this(int i) {
        int[] tmp;
        for (size_t j = 0; j < 4; ++j) {
            tmp ~= i + j;
        }
        this.test = tmp;  // initialize non-mutable field only once
    }

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