[Issue 11270] [REG 2.064] Initialization of struct in constructor

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=11270



--- Comment #3 from Kenji Hara <k.hara.pg at gmail.com> 2013-10-15 07:02:24 PDT ---
(In reply to comment #2)
> Sorry, I reduced the repro case to much. Here is the actual repro case I had
> first:
> 
> struct netvar(T) {
>     T value;
>     alias value this;
> 
>     void opAssign(T newVal){
>         value = newVal;
>     }    
> }
> 
> class Foo
> {
>   netvar!float f;
> 
>   this(float f)
>   {
>     this.f = f;
>   }
> }
> 
> void main(string[] args)
> {
>   new Foo(2.0f);
> }

Ah, this is an expected behavior that has been introduced by fixing bug 9665.
With git-head, compiler tries to rewrite `this.f = f;` to the field
initialization.

Possible modifications:
1. Rewrite this.f = f; to this.f = netvar!float(f);
   It will initialize the Foo.f by the struct literal.
2. Add a constructor this(T); in netbar struct to accept a T value as a valid
   initializer.

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