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Error use explicit intra-doc link and fix text

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Ivan Tham 2020-08-26 22:41:56 +08:00 committed by GitHub
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1 changed files with 7 additions and 10 deletions
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17
library/std/src/error.rs
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@ -33,15 +33,14 @@ use crate::string;
/// themselves through the [`Display`] and [`Debug`] traits, and may provide
/// cause chain information:
///
/// The [`source`] method is generally used when errors cross "abstraction
/// boundaries". If one module must report an error that is caused by an error
/// from a lower-level module, it can allow access to that error via the
/// [`source`] method. This makes it possible for the high-level module to
/// provide its own errors while also revealing some of the implementation for
/// debugging via [`source`] chains.
/// The [`Error::source`] method is generally used when errors cross
/// "abstraction boundaries". If one module must report an error that is caused
/// by an error from a lower-level module, it can allow accessing that error
/// via the [`Error::source`] method. This makes it possible for the high-level
/// module to provide its own errors while also revealing some of the
/// implementation for debugging via [`Error::source`] chains.
///
/// [`Result<T, E>`]: Result
/// [`source`]: Error::source
#[stable(feature = "rust1", since = "1.0.0")]
pub trait Error: Debug + Display {
/// The lower-level source of this error, if any.
@ -636,7 +635,7 @@ impl dyn Error {
}
/// Returns an iterator starting with the current error and continuing with
/// recursively calling [`source`].
/// recursively calling [`Error::source`].
///
/// If you want to omit the current error and only use its sources,
/// use `skip(1)`.
@ -686,8 +685,6 @@ impl dyn Error {
/// assert!(iter.next().is_none());
/// assert!(iter.next().is_none());
/// ```
///
/// [`source`]: Error::source
#[unstable(feature = "error_iter", issue = "58520")]
#[inline]
pub fn chain(&self) -> Chain<'_> {