types to check (with no type the result is false)
static assert (!hasIndirections!(int)); static assert ( hasIndirections!(int[int])); static assert (!hasIndirections!(void)); static struct S { union { int[] arr; double f; } } static assert ( hasIndirections!(S[5]));
Evaluates to true if a variable of any type in T is a reference type or has members or elements of reference types. References are - dynamic and associative arrays, - pointers (including function pointers) and delegates, - classes.
Types that are not suitable to declare a variable, i.e. `void` and function types (the base types of function pointers) are not references.
If T is empty then the result is false.