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Nil

luckyman 139 24th Aug, 2021

LUA 0.33 KB
                                           
                         Nil is a type with a single value, nil, whose main property is to be different from any other value. As we have seen, a global variable has a nil value by default, before a first assignment, and you can assign nil to a global variable to delete it. Lua uses nil as a kind of non-value, to represent the absence of a useful value.
                      
                                       
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