The following:
```
import std.stdio;

enum Algo
{
    a = "foo",
    b = "bar",
    c = "baz"
}

void main()
{
	writeln(hashOf(Algo.a, 1));
}
```

Produces an error:
/dlang/dmd/linux/bin64/../../src/druntime/import/core/internal/hash.d(135): Error: undefined identifier e_val, did you mean variable val?
onlineapp.d(14): Error: template instance `core.internal.hash.hashOf!(Algo)` error instantiating