Find in assoc array then iterate
Ali Çehreli
acehreli at yahoo.com
Fri Oct 21 23:38:21 UTC 2022
On 10/21/22 15:03, Kevin Bailey wrote:
> I'm trying to do this equivalent C++:
>
> unordered_map<string, int> map;
>
> for (auto i = map.find(something); i != map.end(); ++i)
> ...do something with i...
>
> in D, but obviously with an associative array. It seems that it's quite
> easy to iterate through the whole "map", but not start from the middle.
> Am I missing something obvious (or not so obvious) ?
>
Something like the following perhaps, which sorts the keys:
import std; // Sorry :(
void main() {
auto m = iota(20).map!(i => tuple(i, format!"value_%s"(i))).assocArray;
foreach (key; m.keys.sort.find(13)) {
writeln(m[key]);
}
}
Ali
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