Functions are all around us, disguised as actions on concrete objects. Composition of functions, too, is all around us, because these actions can be performed in succession, the output of one serving ...

This paper introduces an applied problem-solving task, set in the context of cryptography and embedded in a network of computer-based tools. This designed learning environment engaged students in a ...

Anonymous functions were introduced in the C# programming language long ago. Although anonymous functions have many benefits, they are not cheap. Avoiding unnecessary allocations matters, and this is ...