diff options
Diffstat (limited to 'src/libstd/time')
| -rw-r--r-- | src/libstd/time/duration.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/libstd/time/duration.rs b/src/libstd/time/duration.rs index 7e6065129a3..34a3d6aa275 100644 --- a/src/libstd/time/duration.rs +++ b/src/libstd/time/duration.rs @@ -14,7 +14,7 @@ use {fmt, i64}; use kinds::Copy; -use ops::{Add, Sub, Mul, Div, Neg}; +use ops::{Add, Sub, Mul, Div, Neg, FnOnce}; use option::Option; use option::Option::{Some, None}; use num::Int; @@ -141,7 +141,7 @@ impl Duration { /// Runs a closure, returning the duration of time it took to run the /// closure. - pub fn span(f: ||) -> Duration { + 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) |