diff options
Diffstat (limited to 'crates/stdx/src/lib.rs')
-rw-r--r-- | crates/stdx/src/lib.rs | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/crates/stdx/src/lib.rs b/crates/stdx/src/lib.rs index 857567a85..1b6211044 100644 --- a/crates/stdx/src/lib.rs +++ b/crates/stdx/src/lib.rs | |||
@@ -14,18 +14,8 @@ pub fn is_ci() -> bool { | |||
14 | 14 | ||
15 | #[must_use] | 15 | #[must_use] |
16 | pub fn timeit(label: &'static str) -> impl Drop { | 16 | pub fn timeit(label: &'static str) -> impl Drop { |
17 | struct Guard { | 17 | let start = Instant::now(); |
18 | label: &'static str, | 18 | defer(move || eprintln!("{}: {:.2?}", label, start.elapsed())) |
19 | start: Instant, | ||
20 | } | ||
21 | |||
22 | impl Drop for Guard { | ||
23 | fn drop(&mut self) { | ||
24 | eprintln!("{}: {:.2?}", self.label, self.start.elapsed()) | ||
25 | } | ||
26 | } | ||
27 | |||
28 | Guard { label, start: Instant::now() } | ||
29 | } | 19 | } |
30 | 20 | ||
31 | /// Prints backtrace to stderr, useful for debugging. | 21 | /// Prints backtrace to stderr, useful for debugging. |
@@ -179,6 +169,7 @@ where | |||
179 | start..start + len | 169 | start..start + len |
180 | } | 170 | } |
181 | 171 | ||
172 | #[must_use] | ||
182 | pub fn defer<F: FnOnce()>(f: F) -> impl Drop { | 173 | pub fn defer<F: FnOnce()>(f: F) -> impl Drop { |
183 | struct D<F: FnOnce()>(Option<F>); | 174 | struct D<F: FnOnce()>(Option<F>); |
184 | impl<F: FnOnce()> Drop for D<F> { | 175 | impl<F: FnOnce()> Drop for D<F> { |