rename folder src to concord

src/systems.lua

@@ -1,33 +0,0 @@
---- Systems
--- Container for registered SystemClasses
-
-local PATH = (...):gsub('%.[^%.]+$', '')
-
-local Type = require(PATH..".type")
-
-local Systems = {}
-
---- Registers a SystemClass.
--- @param name Name to register under
--- @param systemClass SystemClass to register
-function Systems.register(name, systemClass)
-    if (type(name) ~= "string") then
-        error("bad argument #1 to 'Systems.register' (string expected, got "..type(name)..")", 3)
-    end
-
-    if (not Type.isSystemClass(systemClass)) then
-        error("bad argument #2 to 'Systems.register' (systemClass expected, got "..type(systemClass)..")", 3)
-    end
-
-    if (rawget(Systems, name)) then
-        error("bad argument #2 to 'Systems.register' (System with name '"..name.."' is already registerd)", 3)
-    end
-
-    Systems[name] = systemClass
-end
-
-return setmetatable(Systems, {
-    __index = function(_, name)
-        error("Attempt to index system '"..tostring(name).."' that does not exist / was not registered", 2)
-    end
-})