property += operator
SrMordred
patric.dexheimer at gmail.com
Thu May 10 19:50:58 UTC 2018
On Thursday, 10 May 2018 at 19:41:41 UTC, Dlang User wrote:
> On 5/10/2018 1:43 PM, SrMordred wrote:
>> [...]
>
> I am relatively new to D and I was under the impression that
> that was a limitation of @property functions.
>
> But, re-reading the language reference, it gave this example
> (it returns something from the write property, which seems
> odd), I modified to add refs, and then it seems to work, but I
> am not sure if it is correct or not:
>
> import std.stdio;
>
> struct Foo
> {
> @property ref int data() { return m_data; } // read property
>
> @property ref int data(int value) { return m_data = value;
> } // write property
>
> private:
> int m_data;
> }
>
> void main()
> {
> Foo f;
> f.data = 5;
> f.data++;
> f.data+= 2;
> writeln(f.data);
>
> }
this didn´t work either.
note that 'f.data+= 2;' don't call the write property
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