Enum ProviderCreateError 

pub enum ProviderCreateError {
    Unavailable {
        reason: String,
        source: Option<Arc<dyn Error + Send + Sync + 'static>>,
    },
    Failed {
        reason: String,
        source: Option<Arc<dyn Error + Send + Sync + 'static>>,
    },
}

Error returned by one provider while creating a service.

Variants

Unavailable

The provider discovered at creation time that it cannot be used.

Fields

reason: String

Human-readable unavailability reason.

source: Option<Arc<dyn Error + Send + Sync + 'static>>

Lower-level cause, when the provider can expose one.

Failed

The provider failed while creating the service.

Fields

reason: String

Human-readable failure reason.

source: Option<Arc<dyn Error + Send + Sync + 'static>>

Lower-level cause, when the provider can expose one.

Implementations

impl ProviderCreateError

pub fn unavailable(reason: &str) -> Self

Creates an unavailable-provider error.

Parameters

• reason: Human-readable unavailability reason.

Returns

Provider creation error.

pub fn unavailable_with_source<E>(reason: &str, source: E) -> Self

where E: Error + Send + Sync + 'static,

Creates an unavailable-provider error with a source error.

Parameters

• reason: Human-readable unavailability reason.
• source: Lower-level cause that made the provider unavailable.

Returns

Provider creation error preserving the supplied source.

pub fn failed(reason: &str) -> Self

Creates a provider failure error.

Parameters

• reason: Human-readable failure reason.

Returns

Provider creation error.

pub fn failed_with_source<E>(reason: &str, source: E) -> Self

where E: Error + Send + Sync + 'static,

Creates a provider failure error with a source error.

Parameters

• reason: Human-readable failure reason.
• source: Lower-level cause that made service creation fail.

Returns

Provider creation error preserving the supplied source.

pub fn reason(&self) -> &str

Gets the provider-level reason.

Returns

Human-readable reason carried by this error.

Trait Implementations

impl Clone for ProviderCreateError

fn clone(&self) -> ProviderCreateError

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ProviderCreateError

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

Formats the value using the given formatter.

impl Display for ProviderCreateError

fn fmt(&self, formatter: &mut Formatter<'_>) -> FmtResult

Formats the value using the given formatter.

impl Error for ProviderCreateError

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.