From 89eab3fb72597a1bef2d63e78fa4cf34810a549c Mon Sep 17 00:00:00 2001
From: Pablo Ariel Mayobre <pablo.a.mayobre@gmail.com>
Date: Tue, 14 Feb 2023 18:14:08 -0300
Subject: [PATCH] List.sort

Fixes #33
---
 concord/list.lua | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/concord/list.lua b/concord/list.lua
index 1263a72..88dfc04 100644
--- a/concord/list.lua
+++ b/concord/list.lua
@@ -94,6 +94,20 @@ function List:indexOf(obj)
    return self[obj]
 end
 
+--- Sorts the List in place, using the order function.
+-- The order function is passed to table.sort internally so documentation on table.sort can be used as reference.
+-- @param order Function that takes two Entities (a and b) and returns true if a should go before than b.
+-- @treturn List self
+function List:sort(order)
+   table.sort(self, order)
+
+   for key, obj in ipairs(self) do
+      self[obj] = key
+   end
+
+   return self
+end
+
 return setmetatable(List, {
    __call = function()
       return List.new()