Process a TypeTuple

[Justin Whear via Digitalmars-d-learn]

On Mon, 15 Jun 2015 04:06:12 +0000, Baz wrote:

> On Monday, 15 June 2015 at 03:53:35 UTC, Yuxuan Shui wrote:
>> Is it possible to apply some operation on every member of a TypeTuple,
>> then get the result back?
>>
>> Say I have a TypeTuple of array types, and I want a TypeTuple of their
>> element types, how could I do that?

For this particular example you use std.range.ElementType:

import std.typecons, std.range;
alias Elements = staticMap!(ElementType, MyRangeOrArrayTypes);