Usefulness. Having functions return stuff, instead of passing arguments by reference/pointer, is specially useful when you can use the return value in an expression, or argument to another function ...

Learn the important Racket concepts with practical examples, from functions and recursion to macros, contracts, streams, and ...

C# and TypeScript get a lot more attention, but Microsoft has also been steadily working to improve its F# programming language. The open source and cross-platform F# is officially described as a ...

I like the idea for function chaining on functions with many input parameters, but returning a collection could accomplish the same thing. And if you're working with a library that you can't change, ...