Struct ExecutionTimer

pub struct ExecutionTimer<T>
where
    T: FnOnce(Instant),
{
    pub start: Instant,
    /* private fields */
}

A timer to measure the elapsed time of code block.

This struct holding a start time. While it get dropped, it will log the elapsed time.

Example

use subalfred_util::ExecutionTimer;

// Must give a name to the timer, otherwise it will be dropped immediately.
let _t = ExecutionTimer::init(|start| {
	tracing::trace!("`example` takes `{}` secs", start.elapsed().as_secs_f64())
});

Fields

start: Instant

Start time.

Implementations

impl<T> ExecutionTimer<T>

where T: FnOnce(Instant),

pub fn init(tracing: T) -> Self

Initialize the timer.

Trait Implementations

impl<T> Drop for ExecutionTimer<T>

where T: FnOnce(Instant),

fn drop(&mut self)

Executes the destructor for this type.