Adjacent Pairs Range
Sebastiaan Koppe via Digitalmars-d-learn
digitalmars-d-learn at puremagic.com
Sun Sep 13 22:37:03 PDT 2015
On Saturday, 12 September 2015 at 10:17:19 UTC, Nordlöw wrote:
> How do I most elegantly iterate all the adjacent pairs in an
> `InputRange` using Phobos?
>
> Something like
>
> [1,2,3,4] => [(1,2), (2,3), (3,4)]
What about using zip and a slice?
```
void main()
{
auto a = [1,2,3,4];
import std.range : zip;
import std.stdio;
writeln(a.zip(a[1..$])); // [Tuple!(int, int)(1, 2), Tuple!(int,
int)(2, 3), Tuple!(int, int)(3, 4)]
}
```
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