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Duck TypingDuck typing is a humorous way of describing the type non-checking system typical of some scripting languages where, as with Smalltalk, the variable value itself determines what it can do. One could say that the language "ducks" the issue of typing. Initially coined by Dave Thomas in the Ruby community, its premise is that (referring to a value) "if it walks like a duck, and talks like a duck, then it is a duck".
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