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factory constructor dart

Magnificent Moose answered on July 6, 2022 Popularity 9/10 Helpfulness 1/10

answer factory constructor dart

related factory in dart

factory constructor dart

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class ClassName {
  factory ClassName() {
    // TODO: return ClassName instance
  }

  factory ClassName.namedConstructor() {
    // TODO: return ClassName instance
  }
}

Popularity 9/10 Helpfulness 1/10 Language dart

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Tags: constructor dart factory

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Contributed on Aug 26 2023

Magnificent Moose

0 Answers Avg Quality 2/10

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factory in dart

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// A factory constructor will help you to create a custom instance of a class

void main() {
  
  Point point = Point.fromMap({"x": 30, "y": 90});
  Point point2 = Point(10, 20);

  print({"Taken from Point fromMap factory",point});
  print({"Taken from Point constructor", point2});
  
}

class Point {
  double x, y;
  Point(this.x, this.y);

  factory Point.fromMap(Map<String, double> json) {
    return Point(json['x']!, json['y']!);
  }

  @override
  String toString() {
    return "toString: $x : $y";
  }
}

Popularity 10/10 Helpfulness 1/10 Language dart

Source: Grepper

Tags: dart

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Contributed on Jul 06 2022

Wilson Toribio

0 Answers Avg Quality 2/10

factory constructor dart

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factory constructor dart

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