Enum member isLiteral
Checks if an alias is a literal
enum isLiteral(T...)
= __traits(compiles, ()
{
enum x = T[0];
}
);
Example
int a;
void f() {}
assert( isLiteral!3);
assert( isLiteral!"hi");
assert(!isLiteral!int);
assert(!isLiteral!a);
assert(!isLiteral!f);