diff options
Diffstat (limited to 'src/libstd/error.rs')
| -rw-r--r-- | src/libstd/error.rs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/libstd/error.rs b/src/libstd/error.rs index 7a5353bb60f..e5c5ab83cbc 100644 --- a/src/libstd/error.rs +++ b/src/libstd/error.rs @@ -36,12 +36,12 @@ use str; use string; /// `Error` is a trait representing the basic expectations for error values, -/// i.e. values of type `E` in [`Result<T, E>`]. Errors must describe +/// i.e., values of type `E` in [`Result<T, E>`]. Errors must describe /// themselves through the [`Display`] and [`Debug`] traits, and may provide /// cause chain information: /// /// The [`cause`] method is generally used when errors cross "abstraction -/// boundaries", i.e. when a one module must report an error that is "caused" +/// boundaries", i.e., when a one module must report an error that is "caused" /// by an error from a lower-level module. This setup makes it possible for the /// high-level module to provide its own errors that do not commit to any /// particular implementation, but also reveal some of its implementation for @@ -533,6 +533,7 @@ impl<T: Error> Error for Box<T> { Error::description(&**self) } + #[allow(deprecated)] fn cause(&self) -> Option<&dyn Error> { Error::cause(&**self) } |