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Define the binary search methods on [T] rather than &[T].

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Ms2ger 2015-04-24 17:44:04 +02:00
parent 88d9c1b257
commit 4ee89363fb
1 changed files with 5 additions and 5 deletions
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10
components/util/vec.rs
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@ -11,8 +11,8 @@ pub trait Comparator<K,T> {
fn compare(&self, key: &K, value: &T) -> Ordering;
}
pub trait BinarySearchMethods<'a, T: Ord + PartialOrd + PartialEq> {
fn binary_search_(&self, key: &T) -> Option<&'a T>;
pub trait BinarySearchMethods<T: Ord + PartialOrd + PartialEq> {
fn binary_search_(&self, key: &T) -> Option<&T>;
fn binary_search_index(&self, key: &T) -> Option<usize>;
}
@ -20,8 +20,8 @@ pub trait FullBinarySearchMethods<T> {
fn binary_search_index_by<K,C:Comparator<K,T>>(&self, key: &K, cmp: C) -> Option<usize>;
}
impl<'a, T: Ord + PartialOrd + PartialEq> BinarySearchMethods<'a, T> for &'a [T] {
fn binary_search_(&self, key: &T) -> Option<&'a T> {
impl<T: Ord + PartialOrd + PartialEq> BinarySearchMethods<T> for [T] {
fn binary_search_(&self, key: &T) -> Option<&T> {
self.binary_search_index(key).map(|i| &self[i])
}
@ -30,7 +30,7 @@ impl<'a, T: Ord + PartialOrd + PartialEq> BinarySearchMethods<'a, T> for &'a [T]
}
}
impl<'a, T> FullBinarySearchMethods<T> for &'a [T] {
impl<T> FullBinarySearchMethods<T> for [T] {
fn binary_search_index_by<K,C:Comparator<K,T>>(&self, key: &K, cmp: C) -> Option<usize> {
if self.len() == 0 {
return None;