std.algorithm each documentation terse

[jmh530 via Digitalmars-d-learn]

On Monday, 20 July 2015 at 21:24:37 UTC, sigod wrote:
> On Monday, 20 July 2015 at 14:40:59 UTC, jmh530 wrote:
>> I have found the documentation for each in std.algorithm a bit 
>> terse. It seemed like it was an eager version of map, but it 
>> seems to be a bit more limited than that.
>
> Why are you trying to use `each` in place which belongs to 
> `map`?

More just out of my own curiosity of trying to understand how it 
worked.