Struct failure::Context[][src]

pub struct Context<D: Display + Send + Sync + 'static> { /* fields omitted */ }

An error with context around it.

The context is intended to be a human-readable, user-facing explanation for the error that has occurred. The underlying error is not assumed to be end-user-relevant information.

The Display impl for Context only prints the human-readable context, while the Debug impl also prints the underlying error.

Methods

impl<D: Display + Send + Sync + 'static> Context<D>
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Creates a new context without an underlying error message.

Important traits for &'a mut R

Returns a reference to the context provided with this error.

Trait Implementations

impl<D: Display + Send + Sync + 'static> Fail for Context<D>
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Returns a reference to the underlying cause of this failure, if it is an error that wraps other errors. Read more

Returns a reference to the Backtrace carried by this failure, if it carries one. Read more

Provides context for this failure. Read more

Wraps this failure in a compatibility wrapper that implements std::error::Error. Read more

Important traits for Causes<'f>

Returns a iterator over the causes of this Fail with itself as the first item and the root_cause as the final item. Read more

Returns the "root cause" of this Fail - the last value in the cause chain which does not return an underlying cause. Read more

impl<D: Display + Send + Sync + 'static> Debug for Context<D>
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Formats the value using the given formatter. Read more

impl<D: Display + Send + Sync + 'static> Display for Context<D>
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Formats the value using the given formatter. Read more

impl<D> From<D> for Context<D> where
    D: Display + Send + Sync + 'static, 
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Performs the conversion.

Auto Trait Implementations

impl<D> Send for Context<D>

impl<D> Sync for Context<D>