Deco
/ geometry.lua
Created
February 2, 2012 08:30
— forked from Deco/geometry.lua
Luvit module example (using local _M table and self-referencing)
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| local OO = require"oo" | |
| local _M = {} | |
| do _M.Shape = OO.class({ | |
| }) | |
| function _M.Shape:__init() | |
| error("attempt to instantiate abstract shape") | |
| end |
Deco
/ geometry.lua
Created
February 2, 2012 08:18
— forked from Deco/geometry.lua
Luvit module example (using local _M table) (my personal choice)
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| local OO = require"oo" | |
| local _M = {} | |
| do _M.Shape = OO.class({ | |
| }) | |
| function _M.Shape:__init() | |
| error("attempt to instantiate abstract shape") | |
| end |
Deco
/ geometry.lua
Created
February 2, 2012 08:12
— forked from Deco/geometry.lua
Luvit module example (using exported locals)
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| local OO = require"oo" | |
| local Shape, Rectangle, Circle | |
| do Shape = OO.class({ | |
| }) | |
| function Shape:__init() | |
| error("attempt to instantiate abstract shape") | |
| end |
Deco
/ geometry.lua
Created
February 2, 2012 08:11
— forked from Deco/geometry.lua
Luvit module example (using setfenv to emulate module function)
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| local OO = require"oo" | |
| local setmetatable = setmetatable | |
| local error, assert = error, assert | |
| local type = type | |
| local newproxy = newproxy | |
| local math = require"math" | |
| local tonumber = tonumber | |
| local getfenv=getfenv setfenv(1, {}) |
Deco
/ geometry.lua
Created
February 2, 2012 08:09
— forked from Deco/geometry.lua
Luvit module example (using module)
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| local OO = require"oo" | |
| local setmetatable = setmetatable | |
| local error, assert = error, assert | |
| local type = type | |
| local newproxy = newproxy | |
| local math = require"math" | |
| local tonumber = tonumber | |
| module("geometry") |
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| require"oo" | |
| geometry = {} | |
| do geometry.Shape = OO.class({ | |
| }) | |
| function geometry.Shape:__init() | |
| error("attempt to instantiate abstract shape") | |
| end |
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| local setmetatable = setmetatable | |
| local table, debug = table, debug | |
| do --_G.class | |
| local function class_new(self, ...) | |
| return setmetatable({}, self) | |
| end | |
| _G.class = function(...) | |
| local supers = {...} | |
| local class = table.remove(supers, #supers) |
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| select: 684000 1.1670000000013 | |
| tables: 684000 0.61299999999756 | |
| select: 684000 1.1729999999952 | |
| tables: 684000 0.64100000000326 | |
| select: 684000 1.176999999996 | |
| tables: 684000 0.63500000000931 | |
| select: 684000 1.1710000000021 | |
| tables: 684000 0.63799999999173 | |
| select: 684000 1.1719999999914 | |
| tables: 684000 0.63199999999779 |
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| do table.weakref -- protect against evil anti-GC indirect self-references | |
| --[[ sample usage: | |
| a = {} | |
| b = {a = a} | |
| a.b = table.weakref(b) | |
| a, b = nil, nil | |
| -- a and b *should* be collected | |
| -- to use b from a.b: | |
| print(a.b() == b) | |
| ]] |
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| do -- base function reimplementations | |
| do _G.rawtype = _G.rawtype or _G.type | |
| local meta, override | |
| function _G.type(v) | |
| local vtype = rawtype(v) | |
| if vtype ~= "table" and vtype ~= "userdata" then return vtype end | |
| meta = debug.getmetatable(v) | |
| if meta then | |
| override = rawget(meta, "__type") |
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