colon-exp.lua

--[[ Suggestion:
Add syntax sugar for `foo:bar` to be equivalent to `foo.bar, foo`
--]]

local stack = {
	1, 2, 3, 4;
	pop = function(self) return table.remove(self) end;
	push = function(self, val) return table.insert(self, val) end;
}

local function safe_call(fn, ...)
	-- todo: implement safety
	return fn(...)
end

local top = safe_call(stack.push, stack, 5)

--[[ Could instead be:
local top = safe_call(stack:push, 5)
--]]

for value in stack.pop, stack do
	print(value)
end

--[[ Could instead be:
for value in stack:pop do
	print(value)
end
--]]