Functions

Functions in Groovy

Introduction

Functions are the building blocks of reusable code. They let you name a piece of behavior, pass data into it, and get a result back—turning long scripts into small, composable pieces. In …

Functions in Hare

Functions are the primary unit of code organization in Hare. As an imperative, procedural systems language, Hare keeps functions deliberately simple — there is no method dispatch, no operator …

Functions in Haskell

Functions are not just a feature of Haskell - they are Haskell. As a purely functional language, every Haskell program is built by defining functions and composing them together. There are no …

Functions in Elixir

In Elixir, functions are the fundamental unit of code. As a functional language, Elixir treats functions as first-class values: you can bind them to variables, pass them as arguments, return them from …

Functions in Erlang

Functions are not just a feature of Erlang - they are the entire program. As a functional language, Erlang has no statements, loops, or mutable variables to fall back on. Everything you do is …

Functions in F#

Functions are the beating heart of F#. As a functional-first language, F# treats functions as first-class values: they can be bound to names, passed as arguments, returned from other functions, …

Functions in Forth

In most languages, a “function” has a name, a parenthesized parameter list, and a return statement. Forth has none of these. Instead, Forth functions are called words, and they communicate …

Functions in Fortran

Functions are how Fortran organizes reusable computation, and they are central to the language’s identity — the name Fortran itself comes from “FORmula TRANslation.” From the …

Functions in Dart

Functions are the building blocks of any Dart program. In Dart, functions are first-class objects — they can be assigned to variables, passed as arguments, and returned from other functions. This is a …

Functions in Delphi

Functions are how you break a program into reusable, named pieces of logic. Delphi inherits Pascal’s clear distinction between two kinds of routines: a function returns a value, while a …