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-- minimal class library
--
-- local Foo = class()
-- function Foo.make(cls, x,y,z)
-- return setmetatable({x=x,y=y,z=z},cls)
-- end
-- function Foo.whatever(self, ...)
-- ...
-- end
-- ...
-- local foo = Foo:make(...)
-- foo:whatever(...)
local function class()
local T = {}
T.__index = T
return T
end
local function extend(Base)
local T = {}
T.__index = T
for k,v in pairs(Base) do
if k:sub(1,2) == "__" and k~="__index" then
T[k]=v
end
end
setmetatable(T,{__index=Base})
return T
end
return setmetatable({
class=class,
extend=extend
},{__call=class})
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