make dynamic parameters optional in flutter

Isijola Ademie answered on February 22, 2023 Popularity 7/10 Helpfulness 1/10

answer make dynamic parameters optional in flutter

related flutter optional parameter

make dynamic parameters optional in flutter

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Making a dynamic parameter optional

>> bind it to the class immediately after super.key e.g {super.key, this.optionalParameter}
>> declare it adding ? to it's type e.g final String? this.optionalParameter

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Source: levelup.gitconnected.com

Tags: dynamic flutter parameters whatever

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Contributed on Feb 22 2023

Isijola Ademie

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flutter optional parameter

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void greet(String name, {String prefix = 'Hello'}) {
  print('$prefix, $name!');
}

void main() {
  greet('Alice'); // Output: Hello, Alice!
  greet('Bob', prefix: 'Hi'); // Output: Hi, Bob!
}

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Source: Grepper

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Contributed on Sep 11 2023

YOU.com

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make dynamic parameters optional in flutter

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