Make a hash out of two ranges

[Jonathan M Davis]

On Thursday, February 28, 2013 04:56:48 Andrej Mitrovic wrote:
> import std.algorithm;
> import std.range;
> 
> void main()
> {
>     auto r = map!((a, b) => [a : b])(["foo"], ["bar"]);  // error
>     assert(r.front == ["foo" : "bar"]);
> }
> 
> This doesn't compile, what am I missing?

Map only works on one range. You can't pass it two of them at the same time. 
You'd need to wrap them in a single range of pairs with something like zip.

- Jonathan M Davis