Struct ProviderDescriptor 

pub struct ProviderDescriptor { /* private fields */ }

Stable provider metadata used for registration and selection.

Implementations

impl ProviderDescriptor

pub fn new(id: &str) -> Result<Self, ProviderRegistryError>

Creates a descriptor with no aliases and zero priority.

Parameters

• id: Provider id.

Returns

Provider descriptor.

Errors

Returns ProviderRegistryError when id is not a valid provider name.

pub fn with_aliases( self, aliases: &[&str], ) -> Result<Self, ProviderRegistryError>

Sets provider aliases.

Parameters

• aliases: Provider aliases.

Returns

Updated provider descriptor.

Errors

Returns ProviderRegistryError when any alias is not a valid provider name, or when aliases duplicate the descriptor id or each other.

pub fn with_priority(self, priority: i32) -> Self

Sets provider priority.

Parameters

• priority: Provider priority. Larger values are preferred.

Returns

Updated provider descriptor.

pub fn id(&self) -> &ProviderName

Gets the canonical provider id.

Returns

Provider id.

pub fn aliases(&self) -> &[ProviderName]

Gets provider aliases.

Returns

Provider aliases.

pub fn aliases_as_str(&self) -> Vec<&str>

Gets provider aliases as string slices.

Returns

Provider aliases as normalized string slices.

pub fn priority(&self) -> i32

Gets provider priority.

Returns

Provider priority.

Trait Implementations

impl Clone for ProviderDescriptor

fn clone(&self) -> ProviderDescriptor

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ProviderDescriptor

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

Formats the value using the given formatter.

impl PartialEq for ProviderDescriptor

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

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for ProviderDescriptor

impl StructuralPartialEq for ProviderDescriptor