grassrootseconomics/openethereum
5
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

removed redundant memcopy

Browse Source
This commit is contained in:
NikVolf 2016-09-30 20:43:57 +03:00
parent 59c0551ff4
commit fa050246af
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
util/bloom/src/lib.rs
View File

@ -15,6 +15,7 @@
// along with Parity. If not, see <http://www.gnu.org/licenses/>. // along with Parity. If not, see <http://www.gnu.org/licenses/>.
use std::cmp; use std::cmp;
use std::mem;
use std::f64; use std::f64;
use std::hash::{Hash, Hasher, SipHasher}; use std::hash::{Hash, Hasher, SipHasher};
use std::collections::HashSet; use std::collections::HashSet;
@ -58,8 +59,8 @@ impl BitVecJournal {
} }
pub fn drain(&mut self) -> Vec<(usize, u64)> { pub fn drain(&mut self) -> Vec<(usize, u64)> {
let journal = self.journal.drain().collect::<Vec<usize>>(); let journal = mem::replace(&mut self.journal, HashSet::new()).into_iter();
journal.iter().map(|idx| (*idx, self.elems[*idx])).collect::<Vec<(usize, u64)>>() journal.map(|idx| (idx, self.elems[idx])).collect::<Vec<(usize, u64)>>()
} }
pub fn how_full(&self) -> f64 { pub fn how_full(&self) -> f64 {