repeat function
Executes the given function action specified number of times.
A zero-based index of current iteration is passed as a parameter to the action function.
If the times parameter is negative or equal to zero, the action function is not invoked.
Implementation
@pragma('vm:prefer-inline')
void repeat(int times, void Function(int) action) {
for (var i = 0; i < times; i++) {
action(i);
}
}