M4N asks: Is there a reason why functions in most (?) programming languages are designed to support any number of input parameters but only one return value? In most languages, it is possible to ...

Functions are deterministic In functional programming, given a particular set of inputs, a function always returns the same set of outputs. For example, the following function writing in Clojure is ...

Bash functions, unlike functions in most programming languages do not allow you to return a value to the caller. When a bash function ends its return value is its status: zero for success, non-zero ...

Functional programming means using functions to the best effect for creating clean and maintainable software. This article illustrates the concepts behind the functional paradigm with practical ...

Functions perform the task and return a value to the main program. Both functions and procedures are small sections of code that can be repeated through a program.