prepend3 method
Inserts three elements at the beginning of the iterable.
Takes the specified elements and inserts them at the beginning of the iterable.
Example:
void main() {
final list = [3, 4, 5];
final result = list.prepend3(0, 1, 2);
// Result: [0, 1, 2, 3, 4, 5]
}
Implementation
Iterable<T> prepend3(T v1, T v2, T v3) sync* {
yield v1;
yield v2;
yield v3;
yield* this;
}