How to get element type of a slice?
Jesse Phillips
Jesse.K.Phillips+D at gmail.com
Thu Aug 19 03:32:47 UTC 2021
On Thursday, 19 August 2021 at 03:29:03 UTC, Jesse Phillips wrote:
> On Tuesday, 17 August 2021 at 12:33:03 UTC, Ferhat Kurtulmuş
> wrote:
>> On Tuesday, 17 August 2021 at 12:26:36 UTC, jfondren wrote:
>>> On Tuesday, 17 August 2021 at 12:21:31 UTC, Ferhat Kurtulmuş
>>> wrote:
>>>> [...]
>>>
>>> This one's not in std.traits:
>>>
>>> ```d
>>> import std.range : ElementType;
>>>
>>> struct Point { int x, y; }
>>>
>>> unittest {
>>> Point[] points;
>>> assert(is(ElementType!(typeof(points)) == Point));
>>> }
>>> ```
>>
>> Hey, thank you again but, I don't want an instance of Point[]
>> I need:
>>
>> alias T = Point[];
>>
>> alias ElementOfPointSlice = .... // element type of T
>
Sorry last post was not complete. Not tested.
```
alias T = Point[];
alias ElementOfPointSlice = ElementType!(T);
unittest {
assert(is(ElementOfPointSlice == Point));
}
```
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