Struct StreamId 

pub struct StreamId(/* private fields */);

§9.1’s wire stream identifier.

[RATIFIED 2026/08/15 — ruling 101] Public: §16.2’s SendStream::id(&self) -> Option<StreamId> makes it reachable whether or not §9.1 mints the type. There is deliberately no public constructor — an application must not be able to mint an id for a stream it does not own.

Implementations

impl StreamId

pub fn index(self) -> u64

The per-space index — id >> 2. §9.1.

pub fn dir(self) -> Dir

Which of §9.1’s two directions this stream is.

pub fn initiated_by_connection_initiator(self) -> bool

Whether the connection initiator opened this stream. §9.1.

Not “whether we opened it”: the answer is a property of the id and the same on both ends.

pub fn as_u64(self) -> u64

The varint value that goes on the wire.

Trait Implementations

impl Clone for StreamId

fn clone(&self) -> StreamId

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for StreamId

impl Debug for StreamId

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

Formats the value using the given formatter.

impl Display for StreamId

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

Formats the value using the given formatter.

impl Eq for StreamId

impl Hash for StreamId

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for StreamId

fn cmp(&self, other: &StreamId) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for StreamId

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for StreamId

fn partial_cmp(&self, other: &StreamId) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl StructuralPartialEq for StreamId