From 6c398ae6f40526994918a271e8193a72768a1ff7 Mon Sep 17 00:00:00 2001
From: Jethro Beekman <jethro@fortanix.com>
Date: Fri, 24 Feb 2017 15:19:48 -0800
Subject: [PATCH] Remove dependencies from oldtime::Duration on rest of time
 crate

---
 src/oldtime.rs | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/src/oldtime.rs b/src/oldtime.rs
index 33050ae..2bdc2f6 100644
--- a/src/oldtime.rs
+++ b/src/oldtime.rs
@@ -12,7 +12,7 @@
 
 use std::{fmt, i64};
 use std::error::Error;
-use std::ops::{Add, Sub, Mul, Div, Neg, FnOnce};
+use std::ops::{Add, Sub, Mul, Div, Neg};
 use std::time::Duration as StdDuration;
 
 /// The number of nanoseconds in a microsecond.
@@ -131,14 +131,6 @@ impl Duration {
         Duration { secs: secs, nanos: nanos as i32 }
     }
 
-    /// Runs a closure, returning the duration of time it took to run the
-    /// closure.
-    pub fn span<F>(f: F) -> Duration where F: FnOnce() {
-        let before = super::precise_time_ns();
-        f();
-        Duration::nanoseconds((super::precise_time_ns() - before) as i64)
-    }
-
     /// Returns the total number of whole weeks in the duration.
     #[inline]
     pub fn num_weeks(&self) -> i64 {