How to convert if into match?

help
1

Please show me how to convert this 'if' snippet into a match statement:

    let mut rotation: f64 = 0.0;
    while let Some(event) = window.next() {
          if let Some(args) = event.update_args() {
              rotation += 3.0 * args.dt;
          };
    }
2

This if let expression:

if let Some(args) = event.update_args() {
  rotation += 3.0 * args.dt;
}

is equivalent to this match expression:

match event.update_args() {
  Some(args) => rotation += 3.0 * args.dt,
  None => {}
}
3

@mbrubeck Thank you !

4

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