Is there a way provide type declarations in GHCi? let numUniques’ :: (Eq a) => [a] -> Int; numUniques’ = length . nub Or is there another way to define functions like these which doesn’t require type declarations? If you turn off the monomorphism restriction with -XNoMonomorphismRestriction, it will infer the right type.
This is neither a scope problem nor is it a closure problem. The problem is in understanding between declarations and expressions. JavaScript code, since even Netscape’s first version of JavaScript and Microsoft’s first copy of it, is processed in two phases: Phase 1: compilation – in this phase the code is compiled into a syntax … Read more
The first function in an m-file (i.e. the main function), is invoked when that m-file is called. It is not required that the main function have the same name as the m-file, but for clarity it should. When the function and file name differ, the file name must be used to call the main function. … Read more