Struct BudgetBuilder 

pub struct BudgetBuilder { /* private fields */ }

Builder for BudgetTracker.

Implementations

impl BudgetBuilder

pub fn max_usd(self, max: f64) -> Self

Hard ceiling in USD. Once the running total hits this value, BudgetTracker::check returns Error::BudgetExceeded.

pub fn warn_at_usd(self, warn: f64) -> Self

Warning threshold in USD. BudgetBuilder::on_warning fires the first time the running total reaches this value.

pub fn on_warning<F>(self, f: F) -> Self

where F: Fn(f64) + Send + Sync + 'static,

Callback fired once when warn_at_usd is crossed. The argument is the running total at the crossing.

pub fn on_exceeded<F>(self, f: F) -> Self

where F: Fn(f64) + Send + Sync + 'static,

Callback fired once when max_usd is crossed. The argument is the running total at the crossing.

pub fn build(self) -> BudgetTracker

Finish construction.

Trait Implementations

impl Default for BudgetBuilder

fn default() -> BudgetBuilder

Returns the “default value” for a type.