//! qqq : write proper description
fn main()
{
  use interval_adapter::IterableInterval;

  //
  // Let's assume you have a function which should accept Interval.
  // But you don't want to limit caller of the function to use either half-open interval `core::ops::Range` or closed one `core::ops::RangeInclusive`.
  // To make that work smoothly use `IterableInterval`.
  // Both `core::ops::Range` and `core::ops::RangeInclusive` implement the trait.
  //
  fn f1( interval : impl IterableInterval )
  {
    for i in interval
    {
      println!( "{i}" );
    }
  }

  // Calling the function either with half-open interval `core::ops::Range`.
  f1( 0..=3 );
  // Or closed one `core::ops::RangeInclusive`.
  f1( 0..4 );

}