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Replace time with std::time #3

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Replace time with std::time #3

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3 changes: 0 additions & 3 deletions Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,3 @@ license = "MIT"
[lib]
name = "timeit"
doctest = false

[dependencies]
time = "0.1.26"
20 changes: 5 additions & 15 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -34,31 +34,21 @@
//! }
//! });
//! ```
extern crate time;

use time::Timespec;

/// A shortcut to time's `get_time` function. This is so that the user of timeit doesn't have to
/// separately add a dependency for the time crate.
pub fn get_time() -> Timespec {
use time::get_time;
get_time()
}

#[macro_export]
/// Runs a block a specified number of times and returns the average time of execution.
macro_rules! timeit_loops {
($loops:expr, $code:block) => ({
use timeit::get_time;
use std::time::Instant;

let n = $loops;
let start = get_time();
let start = Instant::now();
for _ in 0..n {
$code
}
let end = get_time();
let sec = (end.sec - start.sec) as f64 +
(end.nsec - start.nsec) as f64 / 1_000_000_000.0;
let elapsed = start.elapsed();
let sec = elapsed.as_secs() as f64 +
elapsed.subsec_nanos() as f64 / 1_000_000_000.0;

sec / (n as f64)
})
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