// Check less_than
import std.conv : to;
assert(less_than("a", "b"));
assert(less_than(0.to!string, 1.to!string));
assert(!less_than("00", "0"));
assert(less_than("0", "abe"));
assert(less_than("7", "69"));
// assert(less_than(0, "1"));
// assert(less_than(5, 7));