Question: In ActionScript, it is possible to check the type at run-time using the is operator: Is it possible to detect if a variable (extends or) is a certain class or interface with TypeScript? I couldn’t find anything about it ...
Question: TypeScript has is operator which helps to create a test function for type checking. Recently I saw two different implementations of this operator, one of which uses asserts keyword. I didn’t find information about the difference of the two ...
Question: In summary I am trying to understand how I can tell ghc that a && b ~ True should imply that a ~ True and b ~ True within the context of a GADT. Given a data constructor: and, ...
Question: I’m learning Haskell and there’s a lot of type-checking that seems completely nonsensical to me. I have written a simple function to count the number of occurrences of a given element in a given list, as such: Now, using ...