how to get rid of "cannot deduce function from argument types" elegantly

Ali Çehreli via Digitalmars-d-learn digitalmars-d-learn at puremagic.com
Mon Jun 13 15:54:13 PDT 2016


On 06/13/2016 03:30 PM, Christian Köstlin wrote:

> Tree!T tree(T)(Tree!T left, T node, Tree!T right) {
>   return new Tree!T(left, node, right);
> }

This works but I don't know whether it's a bug or not:

Tree!T tree(TT, T)(TT left, T node, TT right) {
   return new Tree!T(left, node, right);
}

Perhaps this is better:

Tree!T tree(TL, T, TR)(TL left, T node, TR right) {
   return new Tree!T(left, node, right);
}

Ali



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