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operators in dart

Ravin Laheri answered on May 18, 2022 Popularity 9/10 Helpfulness 5/10

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  • operators in dart

    5
    Popularity 9/10 Helpfulness 5/10 Language dart
    Source: Grepper
    Tags: dart operators
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    Contributed on Nov 10 2022
    Ravin Laheri
    0 Answers  Avg Quality 2/10

    Closely Related Answers



    3
    Popularity 10/10 Helpfulness 5/10 Language dart
    Source: Grepper
    Tags: dart
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    Contributed on May 24 2022
    Vel
    0 Answers  Avg Quality 2/10

    2

    Cascades (..)

    Basically its like then() for objects 


    To perform a sequence of operations on the same object, use cascades (..). We’ve all seen an expression like this:

    // code

    myObject.someMethod()

    It invokes someMethod() on myObject, and the result of the expression is the return value of someMethod().

    Here’s the same expression with a cascade:


    // code

    myObject..someMethod() 


    Example

    var button = querySelector('#confirm');

    button?.text = 'Confirm';

    button?.classes.add('important');

    button?.onClick.listen((e) => window.alert('Confirmed!'));

    button?.scrollIntoView();


    With cascade

    querySelector('#confirm')

    ?..text = 'Confirm'

    ..classes.add('important')

    ..onClick.listen((e) => window.alert('Confirmed!'))

    ..scrollIntoView(); 

    Popularity 9/10 Helpfulness 5/10 Language whatever
    Source: dart.dev
    Tags: dart whatever
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    Contributed on Mar 09 2023
    Zion
    0 Answers  Avg Quality 2/10

    7
    Popularity 10/10 Helpfulness 5/10 Language cpp
    Source: Grepper
    Tags: c++
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    Contributed on Aug 15 2022
    Marijuana
    0 Answers  Avg Quality 2/10

    1
    Popularity 9/10 Helpfulness 3/10 Language dart
    Source: Grepper
    Tags: cascade
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    Contributed on Jul 08 2022
    Wilson Toribio
    0 Answers  Avg Quality 2/10

    1
    Popularity 9/10 Helpfulness 3/10 Language dart
    Source: Grepper
    Tags: dart
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    Contributed on May 18 2022
    Adorable Alpaca
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    Popularity 8/10 Helpfulness 2/10 Language dart
    Source: Grepper
    Tags: dart
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    Contributed on Aug 13 2022
    Shah Solayman Sinha
    0 Answers  Avg Quality 2/10

    0
    Popularity 8/10 Helpfulness 2/10 Language dart
    Tags: dart
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    Contributed on Aug 16 2022
    namesaq
    0 Answers  Avg Quality 2/10

    0
    Popularity 9/10 Helpfulness 1/10 Language dart
    Source: Grepper
    Tags: dart
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    Contributed on Jul 06 2022
    Wilson Toribio
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