Remove debug module

Readme.md

@@ -277,10 +277,6 @@ This is best left explicit. First, you shouldn't be using numbered field keys if
 4. [`json`](https://json.org)
   * Not recommended
 
-## `debug`
-
-`modlib.debug` offers utilities dumping program state in tables.
-
 ### `variables(stacklevel)`
 
 Dumps local variables, upvalues and the function environment of the function at the given stacklevel (default `1`).

debug.lua

@@ -1,53 +0,0 @@
--- Localize globals
-local _G, debug, getfenv, table, tostring = _G, debug, getfenv, table, tostring
-
--- Set environment
-local _ENV = {}
-setfenv(1, _ENV)
-
-function variables(stacklevel)
-	stacklevel = (stacklevel or 1) + 1
-	local locals = {}
-	local index = 1
-	while true do
-		local name, value = debug.getlocal(stacklevel, index)
-		if not name then break end
-		table.insert(locals, {name, value})
-		index = index + 1
-	end
-	local upvalues = {}
-	local func = debug.getinfo(stacklevel).func
-	local fenv = getfenv(func)
-	index = 1
-	while true do
-		local name, value = debug.getupvalue(func, index)
-		if not name then break end
-		table.insert(upvalues, {name, value})
-		index = index + 1
-	end
-	return {
-		locals = locals,
-		upvalues = upvalues,
-		fenv = fenv,
-		fenv_global = fenv == _G
-	}
-end
-
-function stack(stacklevel)
-	stacklevel = (stacklevel or 1) + 1
-	local stack = {}
-	while true do
-		local info = debug.getinfo(stacklevel, "nfSlu")
-		if not info then
-			break
-		end
-		info.func = tostring(info.func)
-		info.variables = variables(stacklevel)
-		stack[stacklevel - 1] = info
-		stacklevel = stacklevel + 1
-	end
-	return stack
-end
-
--- Export environment
-return _ENV