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How do you create an instance of that class with no initialization. class with required fields before it used to be ClassName name = new ClassName(); but now it doesn't work
For a model/data class, I'd rather do this; enum Sex {male, female} class Person{ final String name; final Sex sex; final int age; const Person({required this.name, required this.sex, required this. age}); /// Create copyWith() method here /// Create toMap() method here /// Create factory Person.fromMap() @override String toString() => 'Person(name: $name, sex: $sex, age: $age)'; } final person = Person(name: 'John', sex: Sex.male, age: 44); print(person); Dart should figure out what type the variable "person" is.
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excellent explanation
thanks
hello
i am a huge fan of you
please can you create tutorial series for fastapi frame work of python
Sorry, don't know what that is
How do you create an instance of that class with no initialization. class with required fields
before it used to be
ClassName name = new ClassName();
but now it doesn't work
Don't use the constructor, instead build a method to assign the things later.
For a model/data class, I'd rather do this;
enum Sex {male, female}
class Person{
final String name;
final Sex sex;
final int age;
const Person({required this.name, required this.sex, required this. age});
/// Create copyWith() method here
/// Create toMap() method here
/// Create factory Person.fromMap()
@override
String toString() => 'Person(name: $name, sex: $sex, age: $age)';
}
final person = Person(name: 'John', sex: Sex.male, age: 44);
print(person);
Dart should figure out what type the variable "person" is.
Why is String with uppercase S but all other types are lower case?
Basically, if you watch closely, you will notice that all the iterables start with a cap. Like List, Map, String, etc.
Bro you can make video on Hindi??
No, I don't speak Hindi.
Ok 👌🌼 Your Videos is very helpful love from India
3:39 take a shot every time he says "this"