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a switch in Lua
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| -- fct to simulate a switch | |
| function switch(t) | |
| t.case = function (self,x) | |
| local f=self[x] or self.default | |
| if f then | |
| if type(f)=="function" then | |
| f(x,self) | |
| else | |
| error("case "..tostring(x).." not a function") | |
| end | |
| end | |
| end | |
| return t | |
| end |
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