From c3a387b8f7086fc6d58a4175e8408fbbf375f5f2 Mon Sep 17 00:00:00 2001
From: Laurenz <laurmaedje@gmail.com>
Date: Tue, 12 Apr 2022 21:36:37 +0200
Subject: Segment by script

---
 src/util/mod.rs | 30 ------------------------------
 1 file changed, 30 deletions(-)

(limited to 'src/util/mod.rs')

diff --git a/src/util/mod.rs b/src/util/mod.rs
index e42d0664..d898f545 100644
--- a/src/util/mod.rs
+++ b/src/util/mod.rs
@@ -103,12 +103,6 @@ where
 
 /// Additional methods for slices.
 pub trait SliceExt<T> {
-    /// Find consecutive runs of the same elements in a slice and yield for
-    /// each such run the element and number of times it appears.
-    fn group(&self) -> Group<'_, T>
-    where
-        T: PartialEq;
-
     /// Split a slice into consecutive runs with the same key and yield for
     /// each such run the key and the slice of elements with that key.
     fn group_by_key<K, F>(&self, f: F) -> GroupByKey<'_, T, F>
@@ -118,35 +112,11 @@ pub trait SliceExt<T> {
 }
 
 impl<T> SliceExt<T> for [T] {
-    fn group(&self) -> Group<'_, T> {
-        Group { slice: self }
-    }
-
     fn group_by_key<K, F>(&self, f: F) -> GroupByKey<'_, T, F> {
         GroupByKey { slice: self, f }
     }
 }
 
-/// This struct is created by [`SliceExt::group`].
-pub struct Group<'a, T> {
-    slice: &'a [T],
-}
-
-impl<'a, T> Iterator for Group<'a, T>
-where
-    T: PartialEq,
-{
-    type Item = (&'a T, usize);
-
-    fn next(&mut self) -> Option<Self::Item> {
-        let mut iter = self.slice.iter();
-        let first = iter.next()?;
-        let count = 1 + iter.take_while(|&t| t == first).count();
-        self.slice = &self.slice[count ..];
-        Some((first, count))
-    }
-}
-
 /// This struct is created by [`SliceExt::group_by_key`].
 pub struct GroupByKey<'a, T, F> {
     slice: &'a [T],
-- 
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