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Racket is typed, and as strongly typed as Haskell and ML. I think what you were getting at is that Haskell and ML are statically typed whereas Racket is dynamically typed by default. However, #lang typed/racket allows full access to static type checking.



There is no such thing as dynamic typing: http://existentialtype.wordpress.com/2011/03/19/dynamic-lang...


By that token, there is no such thing as statically typed either, and if we chase the turtles all the way down to the Turing tarpit, there's only two types: high and low and they're both voltages or the equivalent.

As Wittgenstein remarked, many philosophical conundrums arise from the odd results that follow from using ordinary language in an odd way.


> By that token, there is no such thing as statically typed either

Wrong. Just because a language A is implemented by means of a translation into language B or execution by a machine C, it does not mean that A's abstractions do not exist at all. If A makes guarantees B or C cannot possibly make, then A will compile to a strict subset of B or yield a strict subset of the processes that can happen in C. In this strict subset, A's guarantees hold.




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