wenziqi / lua_decorator

for test

-- @auth    rocky(wenshaoqi)
-- @date    2020-12-03
-- @ver     lua-5.3.2
-- @mail    [e-mail]
-- @desc    实现lua的装饰器


local decorator = require "decorator"
local decorator = decorator.decorator

local 
function wrap_timeit(action,number)
    number = number or 1000000
    return 
    function(...)
        print("[wrap_timeit]...",number)
        local ret
        local t = os.clock()
        for i=1,number do
            ret = action(...)
        end
        print("cost:",os.clock()-t)
        print("number:",number)
        return ret
    end
end



local max = 
    decorator(wrap_timeit) ..
    function (a,b)
        return math.max(a,b)
    end



local i = max(10,20)
print(i)

--[[
$ lua excample2.lua
[wrap_timeit]...        1000000
cost:   0.366
number: 1000000
20

]]--