How to resolve the algorithm Function definition step by step in the Ol programming language

Published on 12 May 2024 09:40 PM
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How to resolve the algorithm Function definition step by step in the Ol programming language

Table of Contents

Problem Statement

A function is a body of code that returns a value. The value returned may depend on arguments provided to the function.

Write a definition of a function called "multiply" that takes two arguments and returns their product. (Argument types should be chosen so as not to distract from showing how functions are created and values returned).

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Function definition step by step in the Ol programming language

Source code in the ol programming language

(lambda (x y)
   (* x y))

(define multiply (lambda (x y) (* x y)))

(define (multiply x y) (* x y))

(let multiply ((x n) (y m))
   (* x y))

; example of naive multiplication function implementation using local recursion:
(define (multiply x y)
   (let loop ((y y) (n 0))
      (if (= y 0)
         n
         (loop (- y 1) (+ n x)))))

(print (multiply 7 8))
; ==> 56

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