Puzzle 7There and Back Again
 use​ ​std​::​f32​::​consts​::PI;
 
 pub​ ​struct​ ​Degrees​(​pub​ f32);
 pub​ ​struct​ ​Radians​(​pub​ f32);
 
 impl​ Degrees {
 pub​ ​fn​ ​new​(angle: f32) ​->​ Self {
 Self​(angle)
  }
 }
 
 impl​ From<Degrees> ​for​ Radians {
 fn​ ​from​(item : Degrees) ​->​ Self {
 Self​(item​.​0 * PI ​/​ 180.0)
  }
 }
 
 fn​ ​main​() {
 let​ one_eighty_degrees = ​Degrees​::​new​(180.0);
 let​ one_eighty_radians : Radians = one_eighty_degrees​.into​();
  println!(​"180 Degrees in Radians = {}"​, one_eighty_radians.0);
 }

Guess the Output

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Try to guess what the output is before moving ...

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