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minor: simplify

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This commit is contained in:
Aleksey Kladov 2021-04-26 19:30:50 +03:00
parent 363cef5c0e
commit f06e4b8e74
1 changed files with 3 additions and 12 deletions
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15
crates/stdx/src/lib.rs
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@ -14,18 +14,8 @@ pub fn is_ci() -> bool {
#[must_use]
pub fn timeit(label: &'static str) -> impl Drop {
struct Guard {
label: &'static str,
start: Instant,
}
impl Drop for Guard {
fn drop(&mut self) {
eprintln!("{}: {:.2?}", self.label, self.start.elapsed())
}
}
Guard { label, start: Instant::now() }
let start = Instant::now();
defer(move || eprintln!("{}: {:.2?}", label, start.elapsed()))
}
/// Prints backtrace to stderr, useful for debugging.
@ -179,6 +169,7 @@ where
start..start + len
}
#[must_use]
pub fn defer<F: FnOnce()>(f: F) -> impl Drop {
struct D<F: FnOnce()>(Option<F>);
impl<F: FnOnce()> Drop for D<F> {