Re: List Comprehension equivalent

[Jerry via Digitalmars-d-learn]

On Friday, 17 March 2017 at 17:13:48 UTC, Russel Winder wrote:
I have a bit of code:
        string[] returnValue;
        foreach(string key, string[] value; groups) {
		returnValue ~= 
value.sort!debianPackageNumberComparator()[0..$-1].array;
        }
        return returnValue;

[...]

You forgot a ! on the map call.

.map!((Tuple!(string, string[]) a) => 
a[1].sort!debianPackageNumberComparator()[0..$-1])