Enum associative arrays

enum-aa-example.d

void main() {}

enum string[ubyte] valueTypes = [
    0x7F: "i32",
    0x7E: "i64",
    0x7D: "f32",
    0x7C: "f64"
];

pure unittest
{   
    auto aa1 = valueTypes;
    auto aa2 = valueTypes;
    assert(aa1 !is aa2); // aa1 and aa2 *point to different* objects
    assert(aa1 == aa2);  // those distinct objects *are equal* (contain the same key-value mapping)
}