staticSort

bool ascending(int a, int b)
{
    return a > b;
}

bool descending(int a, int b)
{
    return a < b;
}

template Ascending(int a, int b)
{
    enum Ascending = a > b;
}

template Descending(int a, int b)
{
    enum Descending = a < b;
}

static assert([staticSort!(ascending, 3, 1, 5, 2)] == [1, 2, 3, 5]);
static assert([staticSort!(Ascending, 3, 1, 5, 2)] == [1, 2, 3, 5]);
static assert([staticSort!(descending, 3, 1, 5, 2)] == [5, 3, 2, 1]);
static assert([staticSort!(Descending, 3, 1, 5, 2)] == [5, 3, 2, 1]);

import std.string;

bool wordsCmp(string a, string b)
{
    return toUpper(a) > toUpper(b);
}

alias words = ExpressionList!("aBc", "a", "abc", "b", "ABC", "c");
alias sortedWords = staticSort!(wordsCmp, words);
static assert([sortedWords] == [ "a", "aBc", "abc", "ABC", "b", "c" ]);