Programming in Dart: Functions & Closures

Jun 21 2022 · Dart 2.16, Flutter, DartPad

Part 2: Learn Anonymous Functions & Closures

14. Create a Closure

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Previous episode: 13. Challenge: Write an Anonymous Method Next episode: 15. Understand Generics

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00:02Dart contains a cool feature that you can find in other languages - that is, you put a function inside of another function?

Function applyMultiplier(num multiplier) {

}

return (num value) {
    return value * multiplier;
};

var doubleMultiplier = applyMultiplier(2);
var tripleMultiplier = applyMultiplier(3);
var quadMultiplier = applyMultiplier(4);

print(doubleMultiplier(10));
print(tripleMultiplier(10));
print(quadMultiplier(10));