tests/ui/statics/auxiliary/static-methods-crate.rs

   1 #![crate_name="static_methods_crate"]
   2 #![crate_type = "lib"]
   3
   4 pub trait read: Sized {
   5     fn readMaybe(s: String) -> Option<Self>;
   6 }
   7
   8 impl read for isize {
   9     fn readMaybe(s: String) -> Option<isize> {
  10         s.parse().ok()
  11     }
  12 }
  13
  14 impl read for bool {
  15     fn readMaybe(s: String) -> Option<bool> {
  16         match &*s {
  17           "true" => Some(true),
  18           "false" => Some(false),
  19           _ => None
  20         }
  21     }
  22 }
  23
  24 pub fn read<T:read>(s: String) -> T {
  25     match read::readMaybe(s) {
  26       Some(x) => x,
  27       _ => panic!("read panicked!")
  28     }
  29 }