Struct ScanTimeBudget 

pub struct ScanTimeBudget { /* private fields */ }

The CPU seconds a request has left to spend scanning.

Implementations

impl ScanTimeBudget

pub fn new(cap_seconds: f64) -> Self

A budget of cap_seconds of thread CPU time.

pub fn unbounded() -> Self

No cap (the reference’s None outside a request).

pub const fn with_clock(cap: Option<f64>, clock: fn() -> f64) -> Self

A budget over an injected monotonic seconds clock (tests).

pub fn exhausted(&self) -> bool

true once the summed scan time has reached the cap.

pub fn measure<T>(&mut self, scan: impl FnOnce() -> T) -> T

Run one scan and charge its CPU time to the budget.

Trait Implementations

impl Clone for ScanTimeBudget

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 ScanTimeBudget

impl Debug for ScanTimeBudget

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

Formats the value using the given formatter.