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Yes, there are languages that also have these features, the puzzling part is why not all of them do (except those that may have good design reasons not to).
by quchen 13y ago
Yes, there are languages that also have these features, the puzzling part is why not all of them do (except those that may have good design reasons not to).
- ufo 13y agoIts hard to implement type inference and type classes unless you carefully design the language to accommodate it from day 1. For example, return-type polymorphism (functions like `read` or `return`) is particularly tricky, specially in the more dynamic languages.