11 lines
216 B
Lua
11 lines
216 B
Lua
makeclass('NilIsZero') -- This is intended to be used as a metatable
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function NilIsZero.__index(t,k)
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return 0
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end
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function NilIsZero.__newindex(t,k,v)
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if v~=nil and v~=0 then rawset(t,k,v) end
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end
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