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Merged
bors merged 2 commits into from
Nov 30, 2018
Merged

Assorted tweaks #56131

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464c9da
serialize: preallocate VecDeque in Decodable::decode
ljedrz Nov 21, 2018
591607d
String: add a FIXME to from_utf16
ljedrz Nov 21, 2018
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serialize: preallocate VecDeque in Decodable::decode
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@ljedrz
ljedrz committed Nov 21, 2018
commit 464c9da9c229111298d413882735ea707a30e077
2 changes: 1 addition & 1 deletion src/libserialize/collection_impls.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -86,7 +86,7 @@ impl<T: Encodable> Encodable for VecDeque<T> {
impl<T:Decodable> Decodable for VecDeque<T> {
fn decode<D: Decoder>(d: &mut D) -> Result<VecDeque<T>, D::Error> {
d.read_seq(|d, len| {
let mut deque: VecDeque<T> = VecDeque::new();
let mut deque: VecDeque<T> = VecDeque::with_capacity(len);
for i in 0..len {
deque.push_back(d.read_seq_elt(i, |d| Decodable::decode(d))?);
}
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