static immutable sortedKeys = ["", "a", "b", "aab", "abb", "aaaaa"];
static immutable table = MirStringTable!ubyte(sortedKeys); // CTFE
static assert (table[""] == 0);
static assert (table["a"] == 1);
static assert (table["b"] == 2);
static assert (table["abb"] == 4);
assert (table["aaaaa"] == 5);

import mir.utility: simpleSort;
auto keys = ["aaaaa", "abb", "", "b", "a", "aab"];
// sorts keys by length and then lexicographically.
keys.simpleSort!smallerStringFirst;
assert(keys == ["", "a", "b", "aab", "abb", "aaaaa"]);