278     pub fn from_std(duration: StdDuration) -> Result<Duration, OutOfRangeError> {  in from_std()  argument
281             return Err(OutOfRangeError(()));  in from_std()
285             return Err(OutOfRangeError(()));  in from_std()
294     pub fn to_std(&self) -> Result<StdDuration, OutOfRangeError> {  in to_std()  argument
296             return Err(OutOfRangeError(()));  in to_std()
413 pub struct OutOfRangeError(());  struct
415 impl fmt::Display for OutOfRangeError {  implementation
422 impl Error for OutOfRangeError {  implementation
458     use super::{Duration, OutOfRangeError, MAX, MIN};
657         assert_eq!(Duration::seconds(-1).to_std(), Err(OutOfRangeError(())));  in test_to_std()
658         assert_eq!(Duration::milliseconds(-1).to_std(), Err(OutOfRangeError(())));  in test_to_std()
677             Err(OutOfRangeError(()))  in test_from_std()
681             Err(OutOfRangeError(()))  in test_from_std()