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Pure Function

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mariana mena answered on October 3, 2022 Popularity 10/10 Helpfulness 1/10

answer Pure Function

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-1

const array = [1,2,3]
function addElementToArray(a,element){
return [...a, element]
}
//invoce function
addElementToArray(array,4)
//[1,2,3,4]

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Contributed on Oct 03 2022

mariana mena

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pure function

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function addNumbers(num1,num2) {
   return num1 + num2 
}

Calling addNumbers(2,3) will ALWAYS equal 5.
A pure function is a function that always returns
the same result if the same arguments are passed

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Contributed on Dec 02 2022

Victorious Vole

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What’s a “pure” function?

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A pure function is one that doesn’t have any side effects and has stable output – e.g. the same input will always produce the same output.
Working with pure functions makes code easier to reason, as there’s no hidden side effects and implicit dependencies between functions.
Given the composable nature of RxJava operators, a very good combination is keeping each operation a highly isolated pure function – this way alterations of the stream are easier.

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Contributed on Dec 29 2022

Deepika Sahu

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Pure Functions

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A Pure Function is a function (a block of code) that always returns the same result if the same arguments are passed.

It does not depend on any state or data change during a program's execution. Rather, it only depends on its input arguments.5

public class MathUtility {
    private static int count = 1;
    public static int sum(int num1, int num2) {
        count++;
        multiply(num1,num2);
        return num1 + bnum2;
    }
}

https://blog.knoldus.com/functional-java-understanding-pure-functions-with-java/

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Contributed on Jan 04 2023

Anjali Sharma

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Pure Function

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