Struct TapState 

pub struct TapState {
    pub time_ms: u128,
    pub count: u32,
}

Persistable tap state — the bytes a driver would write between tap events. Two fields: the wall-clock ms at which the tap happened, and the count to persist (which is the layer just shown, or 0 if we just closed the cycle by hitting max_level).

Embedders can store a TapState in any backing they like (file, memory, an in-process map keyed by shell PID, a test fixture).

Fields

time_ms: u128

Wall-clock time of the previous tap, in milliseconds since the UNIX epoch (or any monotonic source the embedder picks — the rule only inspects differences).

count: u32

Persisted count from the previous tap. 0 means “cycle was just closed; next tap starts fresh”; non-zero means “previous tap showed layer N, advance to N+1 if rapid”.

Trait Implementations

impl Clone for TapState

fn clone(&self) -> TapState

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for TapState

impl Debug for TapState

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

Formats the value using the given formatter.

impl Default for TapState

fn default() -> TapState

Returns the “default value” for a type.

impl Eq for TapState

impl PartialEq for TapState

fn eq(&self, other: &TapState) -> 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 StructuralPartialEq for TapState