Struct HostBackendRegistry 

pub struct HostBackendRegistry { /* private fields */ }

Deterministic registry of host stream backends.

Implementations

impl HostBackendRegistry

pub fn new() -> Self

Creates an empty backend registry.

pub fn register<B>(&mut self, backend: B) -> Result<()>

where B: HostBackend + 'static,

Registers a backend by its stable backend id.

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

Registers an already shared backend.

pub fn backend(&self, id: &Symbol) -> Option<Arc<dyn HostBackend>>

Returns a registered backend by id.

pub fn enumerate(&self) -> Result<Vec<HostDeviceInventory>>

Enumerates every registered backend.

pub fn open(&self, request: HostStreamConfigRequest) -> Result<HostOpenStream>

Opens a stream using the backend named in the request.

pub fn card_exprs(&self) -> Result<Vec<Expr>>

Emits backend, device, and port browse card expressions.

pub fn missing_capability_card( &self, backend: &Symbol, capability: HostBackendCapability, ) -> Expr

Emits a browse card for a missing backend capability.

Trait Implementations

impl Default for HostBackendRegistry

fn default() -> HostBackendRegistry

Returns the “default value” for a type.