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profiler: simplify total_duration

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This commit is contained in:
ljedrz 2018-12-17 16:30:14 +01:00
parent 640c7ff432
commit 1b549ebbdf
1 changed files with 1 additions and 3 deletions
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4
src/librustc_driver/profile/mod.rs
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@ -64,9 +64,7 @@ struct StackFrame {
}
fn total_duration(traces: &[trace::Rec]) -> Duration {
let mut sum : Duration = Duration::new(0, 0);
for t in traces.iter() { sum += t.dur_total; }
return sum
Duration::new(0, 0) + traces.iter().map(|t| t.dur_total).sum()
}
// profiling thread; retains state (in local variables) and dump traces, upon request.