Finding position of a value in an array
no at spam.net
Tue Dec 31 11:25:01 UTC 2019
On Tuesday, 31 December 2019 at 04:38:53 UTC, Daren Scot Wilson
> On Monday, 30 December 2019 at 23:15:48 UTC, JN wrote:
>> On Sunday, 29 December 2019 at 08:31:13 UTC, mipri wrote:
>>> int i = a.countUntil!(v => v == 55);
>>> assert(i == 2);
>> I also had to ask because I couldn't find it. In other
>> languages it's named "index()", "indexOf()" or "find()". D is
>> the only language I know which uses the "countUntil" scheme.
>> And even so it's not obvious from the name if it's the index
>> of the element or number of preceding elements.
> I had first tried myarray.index(myvalue) because I coulda sworn
> I wrote exactly that syntax a only a few days ago. But I've
> been hopping between languages, some D, some Crystal, some C++,
> I got confused. So, D doesn't have index()? Is it called
> find()? Something else? It was hard to find the right stuff
> in the documentation.
You may have used indexOf, which works with strings. Why not
anything else? No idea, as it really should work with other
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