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Discussion on: Pragmatic types: what are types?

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Diego Casella

That's why I heartfelt aversion for any dynamic-typed programming language:
why would you throw away such a beautiful feature that does tell you, at compile time, if "X can be fitted into Y / passed to function Z()" (not just checking for undefined), rather than have errors at runtime ? :confused:

Lack of type checking looks great at first. But in the long run...