Re: improving the join function

[Andrei Alexandrescu]

On 10/11/10 23:37 CDT, Daniel Gibson wrote:

Btw: Is "join" not just a (rather trivial) generalization of reduce?

auto inRange = ...; // range of char[]
char[] sep = " ";
auto joined = reduce!( (char[] res, char[] x) {return res~sep~x;})
(inRange);

It is, but things are a bit messed up by empty ranges.

auto joined = inRange.empty
  ? reduce!( (char[] res, char[] x) {return res~sep~x;})(inRange)
  : "":


Andrei