implementing default opCmp
Steven Schveighoffer
schveiguy at gmail.com
Thu Nov 19 14:12:39 UTC 2020
On 11/18/20 6:06 PM, ag0aep6g wrote:
> On Wednesday, 18 November 2020 at 22:29:17 UTC, Steven Schveighoffer wrote:
>> How do I do something really simple for opCmp? I tried this it didn't
>> work:
>>
>> return this == other ? 0 :
>> this.tupleof < other.tupleof ? -1 : 1;
>
> std.typecons.Tuple has opCmp. So this works:
>
> int opCmp(S other)
> {
> import std.typecons: tuple;
> return tuple(this.tupleof).opCmp(tuple(other.tupleof));
> }
Ah, excellent solution! I hadn't thought of that.
-Steve
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