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multistream-select: Less allocations. (#800)

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This commit is contained in:
Toralf Wittner
2019-01-09 15:09:35 +01:00
committed by GitHub
parent aedf9c0c31
commit f1959252b7
9 changed files with 467 additions and 372 deletions
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1
core/src/upgrade/apply.rs
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@ -224,6 +224,7 @@ type NameWrapIter<I> =
std::iter::Map<I, fn(<I as Iterator>::Item) -> NameWrap<<I as Iterator>::Item>>;
/// Wrapper type to expose an `AsRef<[u8]>` impl for all types implementing `ProtocolName`.
#[derive(Clone)]
struct NameWrap<N>(N);
impl<N: ProtocolName> AsRef<[u8]> for NameWrap<N> {

2
core/src/upgrade/mod.rs
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@ -91,7 +91,7 @@ impl<T: AsRef<[u8]>> ProtocolName for T {
/// or both.
pub trait UpgradeInfo {
/// Opaque type representing a negotiable protocol.
type Info: ProtocolName;
type Info: ProtocolName + Clone;
/// Iterator returned by `protocol_info`.
type InfoIter: IntoIterator<Item = Self::Info>;