Lock Constants

LockConstants.lua

function LockConstants()
	local ks = {}
	for k,v in pairs( _G ) do
		if k:sub( 1, 1 ) == 'k' then
			ks[k] = v
			_G[k] = nil
		end
	end
	setmetatable( _G, {
		__index = ks;
		__newindex = function( t, k, v )
			if string.starts( k, "k" ) then				
				error( "Attempt to create or modify constant after lock" )
			end
			rawset(t,k,v)
		end;
	} )
end