Functions

Functions in COBOL

Most languages have a single construct called a “function.” COBOL, true to its procedural, business-oriented design, offers two distinct ways to package reusable logic, and neither is …

Functions in Common Lisp

Functions are the heart of Common Lisp. The language belongs to the Lisp family, where functions are first-class values: they can be stored in variables, passed as arguments, returned from other …

Functions in Crystal

Functions are how you package logic into reusable, named units. In Crystal, the keyword is def, and the syntax will feel instantly familiar to anyone who has written Ruby. But Crystal is a compiled, …

Functions in Carbon

Functions are the primary unit of reuse in Carbon. As a multi-paradigm systems language designed as a successor to C++, Carbon keeps function syntax familiar to C++ developers while modernizing it: …

Functions in Clojure

Functions are the heart of Clojure. As a functional Lisp, Clojure treats functions as first-class values: you can pass them as arguments, return them from other functions, store them in data …

Functions in AWK

AWK is built around the pattern-action model, but as programs grow you need a way to package reusable logic. AWK gives you two kinds of functions: a rich set of built-in functions for string and math …

Functions in BASIC

Early BASIC dialects organized reusable code with line numbers and GOSUB/RETURN, jumping to a numbered subroutine and coming back. Modern BASIC dialects like FreeBASIC give you proper named, …

Functions in BLISS

In BLISS, the unit of reusable code is the routine. As a structured, imperative systems language, BLISS leans heavily on routines to break programs into named, callable pieces - exactly the kind of …

Functions in C

Functions are the unit of organization in C. As a procedural, imperative language, C builds programs by composing small, named blocks of code that each do one job. You have already met one function - …

Functions in ALGOL 60

Introduction

In ALGOL 60 the unit of reusable code is the procedure. A procedure groups statements under a name so they can be called as many times as you like. ALGOL 60 draws a small but important …