Add missing FusedIterator impls

Jules-Bertholet · Jules-Bertholet · commit c8ab427dd2e0 · 2024-02-29T14:02:00.000-05:00
diff --git a/src/decompose.rs b/src/decompose.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 use core::fmt::{self, Write};
-use core::iter::Fuse;
+use core::iter::{Fuse, FusedIterator};
 use core::ops::Range;
 use tinyvec::TinyVec;
 
@@ -151,6 +151,8 @@ impl<I: Iterator<Item = char>> Iterator for Decompositions<I> {
     }
 }
 
+impl<I: Iterator<Item = char> + FusedIterator> FusedIterator for Decompositions<I> {}
+
 impl<I: Iterator<Item = char> + Clone> fmt::Display for Decompositions<I> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         for c in self.clone() {
diff --git a/src/recompose.rs b/src/recompose.rs
@@ -9,7 +9,10 @@
 // except according to those terms.
 
 use crate::decompose::Decompositions;
-use core::fmt::{self, Write};
+use core::{
+    fmt::{self, Write},
+    iter::FusedIterator,
+};
 use tinyvec::TinyVec;
 
 #[derive(Clone)]
@@ -144,6 +147,8 @@ impl<I: Iterator<Item = char>> Iterator for Recompositions<I> {
     }
 }
 
+impl<I: Iterator<Item = char> + FusedIterator> FusedIterator for Recompositions<I> {}
+
 impl<I: Iterator<Item = char> + Clone> fmt::Display for Recompositions<I> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         for c in self.clone() {
diff --git a/src/replace.rs b/src/replace.rs
@@ -7,7 +7,10 @@
 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
-use core::fmt::{self, Write};
+use core::{
+    fmt::{self, Write},
+    iter::FusedIterator,
+};
 use tinyvec::ArrayVec;
 
 /// External iterator for replacements for a string's characters.
@@ -51,6 +54,8 @@ impl<I: Iterator<Item = char>> Iterator for Replacements<I> {
     }
 }
 
+impl<I: Iterator<Item = char> + FusedIterator> FusedIterator for Replacements<I> {}
+
 impl<I: Iterator<Item = char> + Clone> fmt::Display for Replacements<I> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         for c in self.clone() {
diff --git a/src/stream_safe.rs b/src/stream_safe.rs
@@ -1,3 +1,5 @@
+use core::iter::FusedIterator;
+
 use crate::lookups::{
     canonical_combining_class, canonical_fully_decomposed, compatibility_fully_decomposed,
     stream_safe_trailing_nonstarters,
@@ -59,6 +61,8 @@ impl<I: Iterator<Item = char>> Iterator for StreamSafe<I> {
     }
 }
 
+impl<I: Iterator<Item = char> + FusedIterator> FusedIterator for StreamSafe<I> {}
+
 #[derive(Debug)]
 pub(crate) struct Decomposition {
     pub(crate) leading_nonstarters: usize,

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,5 @@`
	`1`	`+use core::iter::FusedIterator;`
	`2`	`+`
`1`	`3`	`use crate::lookups::{`
`2`	`4`	`canonical_combining_class, canonical_fully_decomposed, compatibility_fully_decomposed,`
`3`	`5`	`stream_safe_trailing_nonstarters,`
`@@ -59,6 +61,8 @@ impl<I: Iterator<Item = char>> Iterator for StreamSafe<I> {`
`59`	`61`	`}`
`60`	`62`	`}`
`61`	`63`
	`64`	`+impl<I: Iterator<Item = char> + FusedIterator> FusedIterator for StreamSafe<I> {}`
	`65`	`+`
`62`	`66`	`#[derive(Debug)]`
`63`	`67`	`pub(crate) struct Decomposition {`
`64`	`68`	`pub(crate) leading_nonstarters: usize,`