"dart function" Code Answer's
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python function
Foolish Fox
on Feb 03, 2021
def name():#name of the def(function);
print("Hallo, World!")#Output is Hallo, World!;
name()#Name of the def, the programm will jump to the def;
#output:
#Hallo, World!class in dart
Hilarious Hyena
on Jan 24, 2021
class class_name {
//rest of the code here:
}dart function
Hilarious Hyena
on Feb 04, 2021
when you want to make a function that
doesn't use the format return or a function that doesn't return a value
the function base will look like this:
void functionName() {
}
if its returning some thing it will look like this:
functionName() {
}dart class fields final
Innocent Ibis
on Jan 07, 2021
class Point {
final num x;
final num y;
final num distanceFromOrigin;
Point._(this.x, this.y, this.distanceFromOrigin);
factory Point(num x, num y) {
num distance = distanceFromOrigin = sqrt(pow(x, 2) + pow(y, 2));
return new Point._(x, y, distance);
}
}
Source: stackoverflow.com
dart ?? operator
Faithful Falcon
on Jun 12, 2020
int val1;
final int val2 = 20;
console.log(val1 ?? val2); //result => 20 because val1 is null
----------------------------------
final int val1 = 30;
final int val2 = 20;
console.log(val1 ?? val2); //result => 30 because val1 is not nulldart function syntax
Lioruby
on Nov 14, 2020
sum(x, y) {
return x + y;
}
// This is where the app starts executing.
void main() {
print(sum(3,5)); // => 8
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