Struct BackendDelta 

pub struct BackendDelta {
    pub slot: BackendSlot,
    pub change: BackendChange,
}

One accounting change the core decided and the embedder performs.

LIFECYCLE §9 invariant 14 is a balance, and this is the ledger it balances: every BackendChange::StreamsStarted unit the mux emits is covered by exactly one BackendChange::StreamsEnded unit against the same slot. Because every write to Backend::active_requests and Backend::active_connections on the mux path now goes through Mux::apply_backend_deltas, reconciling the emitted stream to zero is a direct test of the invariant rather than a proxy for it.

Fields

slot: BackendSlot

The registry entry to charge.

change: BackendChange

What to charge it.

Trait Implementations

impl Clone for BackendDelta

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for BackendDelta

impl Debug for BackendDelta

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

Formats the value using the given formatter.

impl Eq for BackendDelta

impl PartialEq for BackendDelta

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for BackendDelta