downTo method Null safety

IntRange downTo(
  1. int toInclusive,
  2. {int step = 1}
)

Returns a progression from this value down to the specified toInclusive value with the step -step.

Example:

3.downTo(1) // => 3, 2, 1
5.downTo(1, step: 2) // => 5, 3, 1

Implementation

IntRange downTo(int toInclusive, {int step = 1}) =>
    IntRange(this, toInclusive, step: -step);