Remove extraneous reservation

Sujay Jayakar · Sujay Jayakar · commit b3717fd99a02 · 2019-03-17T12:31:26.000-07:00
diff --git a/src/map.rs b/src/map.rs
@@ -1648,7 +1648,6 @@ impl<'a, K, V, S> RawVacantEntryMut<'a, K, V, S> {
         S: BuildHasher,
         H: Fn(&K) -> u64,
     {
-        self.table.reserve(1, |x| hasher(&x.0));
         unsafe {
             let elem = self.table.insert(hash, (key, value), |x| hasher(&x.0));
             let &mut (ref mut key, ref mut value) = elem.as_mut();

Original file line number	Diff line number	Diff line change
`@@ -1648,7 +1648,6 @@ impl<'a, K, V, S> RawVacantEntryMut<'a, K, V, S> {`
`1648`	`1648`	`S: BuildHasher,`
`1649`	`1649`	`H: Fn(&K) -> u64,`
`1650`	`1650`	`{`
`1651`		`- self.table.reserve(1, \|x\| hasher(&x.0));`
`1652`	`1651`	`unsafe {`
`1653`	`1652`	`let elem = self.table.insert(hash, (key, value), \|x\| hasher(&x.0));`
`1654`	`1653`	`let &mut (ref mut key, ref mut value) = elem.as_mut();`