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Template std.meta.allSatisfy
Tests whether all given items satisfy a template predicate, i.e. evaluates to
F!(T[0]) && F!(T[1]) && ... && F!(T[$ - 1]).
Evaluation is not short-circuited if a false result is encountered; the template predicate must be instantiable with all the given items.
Arguments
template allSatisfy(alias F, T...);
Example
import std.traits : isIntegral; static assert(!allSatisfy!(isIntegral, int, double)); static assert( allSatisfy!(isIntegral, int, long));