use std::time::Instant;

pub struct ScopeTimer {

label: &'static str,

start: Instant,

}

impl ScopeTimer {

pub fn new(label: &'static str) -> Self {

Self { label, start: Instant::now() }

}

pub fn elapsed(&self) -> std::time::Duration {

self.start.elapsed()

}

}

impl Drop for ScopeTimer {

fn drop(&mut self) {

println!("{} took {:?}", self.label, self.start.elapsed());

}

}

#[macro_export]

macro_rules! profile_scope {

($label:expr) => {

let _profile_scope_timer = $crate::prof::ScopeTimer::new($label);

};

}

#[macro_export]

macro_rules! profile_call {

($label:expr, $expr:expr) => {{

let __start = std::time::Instant::now();

let __ret = { $expr };

println!("{} took {:?}", $label, __start.elapsed());

__ret

}};

}