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[英]What does dollar sign $ mean at the beginning of the class name in Dart?
[英]What does the @ ('at sign') sign mean in dart?
dart 中的@(at 符號) 是什么意思?
@immutable
@JsonSerializable(createToJson: false)
class ClassA {
@JsonKey(name: 'field_1')
final int field1;
@JsonKey(name: 'field_2')
final String field2;
const ClassA(this.field1, this.field2);
factory ClassA.fromJson(Map<String, dynamic> json) => _$ClassAFromJson(json);
}
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