Struct `ContextError`

struct ContextError<C = StrContext> { ... }

Accumulate context while backtracking errors

See the [tutorial][crate::_tutorial::chapter_7#error-adaptation-and-rendering] for an example of how to adapt this to an application error with custom rendering.

Implementations

`impl<C> ContextError<C>`

fn new() -> Self: Create an empty error
fn push(self: &mut Self, context: C): Add more context
fn extend<I: IntoIterator<Item = C>>(self: &mut Self, context: I): Add more context

`impl Display for ContextError<StrContext>`

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

`impl<C> Default for ContextError<C>`

fn default() -> Self

`impl<C> ErrorConvert for ContextError<C>`

fn convert(self: Self) -> ContextError<C>

`impl<C> Freeze for ContextError<C>`

`impl<C> RefUnwindSafe for ContextError<C>`

`impl<C> Send for ContextError<C>`

`impl<C> Sync for ContextError<C>`

`impl<C> Unpin for ContextError<C>`

`impl<C> UnsafeUnpin for ContextError<C>`

`impl<C> UnwindSafe for ContextError<C>`

`impl<C, I, E: Send + Sync + 'static> FromExternalError for ContextError<C>`

fn from_external_error(_input: &I, _e: E) -> Self

`impl<C, I: Stream> AddContext for ContextError<C>`

fn add_context(self: Self, _input: &I, _token_start: &<I as Stream>::Checkpoint, context: C) -> Self

`impl<C: $crate::fmt::Debug> Debug for ContextError<C>`

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

`impl<C: Clone> Clone for ContextError<C>`

fn clone(self: &Self) -> Self

`impl<C: core::cmp::PartialEq> PartialEq for ContextError<C>`

fn eq(self: &Self, other: &Self) -> bool

`impl<I: Stream, C> ParserError for ContextError<C>`

fn from_input(_input: &I) -> Self
fn into_inner(self: Self) -> Result<<Self as >::Inner, Self>

`impl<T> Any for ContextError<C>`

fn type_id(self: &Self) -> TypeId

`impl<T> Borrow for ContextError<C>`

fn borrow(self: &Self) -> &T

`impl<T> BorrowMut for ContextError<C>`

fn borrow_mut(self: &mut Self) -> &mut T

`impl<T> CloneToUninit for ContextError<C>`

unsafe fn clone_to_uninit(self: &Self, dest: *mut u8)

`impl<T> From for ContextError<C>`

fn from(t: T) -> T: Returns the argument unchanged.

`impl<T, U> Into for ContextError<C>`

fn into(self: Self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

`impl<T, U> TryFrom for ContextError<C>`

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

`impl<T, U> TryInto for ContextError<C>`

fn try_into(self: Self) -> Result<U, <U as TryFrom<T>>::Error>