Struct BackendRegistry 

pub struct BackendRegistry { /* private fields */ }

Deterministic registry of markup backends.

Implementations

impl BackendRegistry

pub fn new() -> Self

Create an empty backend registry.

pub fn register<B: MarkupBackend + 'static>( &mut self, backend: B, ) -> Option<Arc<dyn MarkupBackend>>

Register backend, returning any backend previously registered with the same id.

pub fn register_arc( &mut self, backend: Arc<dyn MarkupBackend>, ) -> Option<Arc<dyn MarkupBackend>>

Register an already shared backend handle.

pub fn backend( &self, id: &BackendId, ) -> Result<Arc<dyn MarkupBackend>, MarkupError>

Return a backend handle by id.

pub fn ids(&self) -> Vec<BackendId>

Return backend ids in deterministic registry order.

pub fn iter( &self, ) -> impl Iterator<Item = (&BackendId, &Arc<dyn MarkupBackend>)>

Iterate over backends in deterministic registry order.

pub fn is_empty(&self) -> bool

Whether this registry contains no backends.

Trait Implementations

impl Clone for BackendRegistry

fn clone(&self) -> BackendRegistry

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Default for BackendRegistry

fn default() -> BackendRegistry

Returns the “default value” for a type.