Ruby-style "each" in D?

[Jacob Carlborg]

On Friday, 21 March 2014 at 11:03:01 UTC, monarch_dodra wrote:

> each "tee" triggers on the call to `popFront`. It does its job 
> (calls pred(r.front)), and then push the "pop down the chain. 
> What this means is that my "tee's" are actually executed right 
> to left! Talk about counter intuitive.

What's the purpose of "tee", is it the same as "tap"? "tap" in 
Ruby just returns the receiver after executing a block. This 
would be the implementation in D:

T tap (alias block, T) (T t)
{
     block(t);
     return t;
}

--
/Jacob Carlborg