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Higher-Order Functions

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Yug Solanki answered on May 11, 2022 Popularity 9/10 Helpfulness 1/10

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Higher-Order Functions

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fun main(args: Array<String>) {
   
   val result = calculate(4, 5, ::sum) 
   println( result )
   
}
fun sum(a: Int, b: Int) = a + b 

fun calculate(a: Int, b: Int, operation:(Int, Int) -> Int): Int {
    return operation(a, b)                                       
}
OCI runtime exec failed: exec failed: unable to start container process: exec /usr/bin/sh: resource temporarily unavailable: unknown

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Contributed on Feb 16 2023

Yug Solanki

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higher order function

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// A function that returns a function is called a higher-order function.

/*
In this example, we are returning a function from another function - 
We can return a function because functions in JavaScript are 
treated as values.
*/

function sayHello() {
  return () => {
    console.log("Hello!");
  }
}

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Tags: function functio

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Contributed on Aug 24 2022

Burhan Shah

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Understanding higher order JavaScript functions

Comment

function evenNumberFilter(number) {
  return number%2==0
}

function oddNumberFilter(number) {
  return !evenNumberFilter(number)
}

evenNumberFilter(2) // true
oddNumberFilter(3)  // true

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Contributed on May 11 2022

SAMER SAEID

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Understanding higher order JavaScript functions

Comment

function (n) => {
  unless(n%2 == 1, () => {
    console.log(`${n} is even`);
});

Popularity 9/10 Helpfulness 1/10 Language javascript

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Tags: javascript j

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Contributed on May 11 2022

SAMER SAEID

0 Answers Avg Quality 2/10

Understanding higher order JavaScript functions

Comment

function evenNumberFilter(number) {
  return number %2 == 0
}

function oddNumberFilter(number) {
  return !evenNumberFilter(number)
}

function filter(predicate) {
  const result = []
  for(number=0; number<10; number++) {
    if (predicate(number)) {
      result.push(number)
    }
  }
  return result
}

filter(evenNumberFilter);  //[0,2,4,6,8]
filter(oddNumberFilter);   //[1,3,5,7,9]

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Contributed on May 11 2022

SAMER SAEID

0 Answers Avg Quality 2/10

Understanding higher order JavaScript functions

Comment

function evenNumberFilter(number) {
  return number %2 == 0
}

function oddNumberFilter(number) {
  return !evenNumberFilter(number)
}

function evenNumberBeforeTen() {
  const result = []
  for(number=0; number<10; number++) {
    if (evenNumberFilter(number)) {
      result.push(number)
    }
  }
  return result
}

function oddNumberBeforeTen() {
  const result = []
  for(number=0; number<10; number++) {
    if (oddNumberFilter(number)) {
      result.push(number)
    }
  }
  return result
}

evenNumberBeforeTen();  //[0,2,4,6,8]
oddNumberBeforeTen();   //[1,3,5,7,9]

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Contributed on May 11 2022

SAMER SAEID

0 Answers Avg Quality 2/10

Understanding higher order JavaScript functions

Comment

function() => {
  console.log(`${n} is even`);
});

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on May 11 2022

SAMER SAEID

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higher order functions

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console.log('baller');

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Source: www.codecademy.com

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Contributed on Nov 23 2022

Charan Veluru

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Higher order functions

Comment

class HigherOrderFunctions {

	public static void main(String[] args) {
		
		IFactory<Integer> createFactory = createFactory(() -> Math.random()*100, r -> r.intValue());
		Integer product = createFactory.create();
		System.out.println(product);
		

		
	}
	
	
	public static <T,R> IFactory<R> createFactory(IProducer<T> producer, IConfigurator<T,R> configurator){
		
		
		return () -> {
			 T product = producer.produce();
			 return configurator.configure(product);
		};
		
	}
	
}

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Contributed on Dec 29 2022

Deepika Sahu

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6. Higher-Order Functions#

Comment

Higher-order functions are functions which take other functions as arguments. They can also return functions along with simple data types.

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Contributed on May 23 2023

Sumit Rawal

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Higher-Order Functions

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Understanding higher order JavaScript functions

Understanding higher order JavaScript functions

Understanding higher order JavaScript functions

Understanding higher order JavaScript functions

Understanding higher order JavaScript functions

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Higher order functions

6. Higher-Order Functions#

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