multi compare

[Adam D. Ruppe via Digitalmars-d-learn]

On Friday, 17 March 2017 at 00:39:15 UTC, Hussien wrote:
> if (x in [a,b,c,..])

import std.algorithm.comparison;

x.among(a, b, c);

http://dpldocs.info/experimental-docs/std.algorithm.comparison.among.1.html