Enum Chain 

pub enum Chain<'a> {
    Stacked(&'a dyn StackError),
    Std(&'a dyn Error),
}

One layer in a stack of chained errors.

Variants

Stacked(&'a dyn StackError)

A stacked error

Std(&'a dyn Error)

A core::error::Error.

Implementations

impl<'a> Chain<'a>

pub fn next(&self) -> Option<Chain<'a>>

Returns lower-level error

pub const fn inner(&'a self) -> &'a dyn Error

Returns the underlying error for this stack layer.

pub fn location(&self) -> Option<&'static Location<'static>>

Returns the recorded source location when available.

Trait Implementations

impl<'a> Clone for Chain<'a>

fn clone(&self) -> Chain<'a>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'a> Debug for Chain<'a>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for Chain<'_>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for Chain<'_>

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl<'a, E> From<&'a E> for Chain<'a>

where E: StackError + Sized,

fn from(stack_error: &'a E) -> Self

Converts to this type from the input type.

impl<'a> IntoIterator for Chain<'a>

type Item = Chain<'a>

The type of the elements being iterated over.

type IntoIter = Iter<'a>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.