Upgrade rust/crates/regex to 1.4.3

Test: make
Change-Id: I0a2f64e0e7e81dc3e46c5c21ffa0bfbc7b1fb28f

1 files changed, 30 insertions, 1 deletions

diff --git a/src/re_unicode.rs b/src/re_unicode.rs
index ea95c1b..df87c34 100644
--- a/src/re_unicode.rs
+++ b/src/re_unicode.rs
@@ -1,6 +1,7 @@
 use std::borrow::Cow;
 use std::collections::HashMap;
 use std::fmt;
+use std::iter::FusedIterator;
 use std::ops::{Index, Range};
 use std::str::FromStr;
 use std::sync::Arc;
@@ -747,6 +748,7 @@ impl Regex {
 /// whole matched region) is always unnamed.
 ///
 /// `'r` is the lifetime of the compiled regular expression.
+#[derive(Clone, Debug)]
 pub struct CaptureNames<'r>(::std::slice::Iter<'r, Option<String>>);
 
 impl<'r> Iterator for CaptureNames<'r> {
@@ -762,12 +764,21 @@ impl<'r> Iterator for CaptureNames<'r> {
     fn size_hint(&self) -> (usize, Option<usize>) {
         self.0.size_hint()
     }
+
+    fn count(self) -> usize {
+        self.0.count()
+    }
 }
 
+impl<'r> ExactSizeIterator for CaptureNames<'r> {}
+
+impl<'r> FusedIterator for CaptureNames<'r> {}
+
 /// Yields all substrings delimited by a regular expression match.
 ///
 /// `'r` is the lifetime of the compiled regular expression and `'t` is the
 /// lifetime of the string being split.
+#[derive(Debug)]
 pub struct Split<'r, 't> {
     finder: Matches<'r, 't>,
     last: usize,
@@ -797,12 +808,15 @@ impl<'r, 't> Iterator for Split<'r, 't> {
     }
 }
 
+impl<'r, 't> FusedIterator for Split<'r, 't> {}
+
 /// Yields at most `N` substrings delimited by a regular expression match.
 ///
 /// The last substring will be whatever remains after splitting.
 ///
 /// `'r` is the lifetime of the compiled regular expression and `'t` is the
 /// lifetime of the string being split.
+#[derive(Debug)]
 pub struct SplitN<'r, 't> {
     splits: Split<'r, 't>,
     n: usize,
@@ -830,8 +844,14 @@ impl<'r, 't> Iterator for SplitN<'r, 't> {
             Some(&text[self.splits.last..])
         }
     }
+
+    fn size_hint(&self) -> (usize, Option<usize>) {
+        (0, Some(self.n))
+    }
 }
 
+impl<'r, 't> FusedIterator for SplitN<'r, 't> {}
+
 /// CaptureLocations is a low level representation of the raw offsets of each
 /// submatch.
 ///
@@ -1059,7 +1079,7 @@ impl<'t, 'i> Index<&'i str> for Captures<'t> {
 ///
 /// The lifetime `'c` corresponds to the lifetime of the `Captures` value, and
 /// the lifetime `'t` corresponds to the originally matched text.
-#[derive(Clone)]
+#[derive(Clone, Debug)]
 pub struct SubCaptureMatches<'c, 't: 'c> {
     caps: &'c Captures<'t>,
     it: SubCapturesPosIter<'c>,
@@ -1075,6 +1095,8 @@ impl<'c, 't> Iterator for SubCaptureMatches<'c, 't> {
     }
 }
 
+impl<'c, 't> FusedIterator for SubCaptureMatches<'c, 't> {}
+
 /// An iterator that yields all non-overlapping capture groups matching a
 /// particular regular expression.
 ///
@@ -1082,6 +1104,7 @@ impl<'c, 't> Iterator for SubCaptureMatches<'c, 't> {
 ///
 /// `'r` is the lifetime of the compiled regular expression and `'t` is the
 /// lifetime of the matched string.
+#[derive(Debug)]
 pub struct CaptureMatches<'r, 't>(
     re_trait::CaptureMatches<'t, ExecNoSyncStr<'r>>,
 );
@@ -1098,6 +1121,8 @@ impl<'r, 't> Iterator for CaptureMatches<'r, 't> {
     }
 }
 
+impl<'r, 't> FusedIterator for CaptureMatches<'r, 't> {}
+
 /// An iterator over all non-overlapping matches for a particular string.
 ///
 /// The iterator yields a `Match` value. The iterator stops when no more
@@ -1105,6 +1130,7 @@ impl<'r, 't> Iterator for CaptureMatches<'r, 't> {
 ///
 /// `'r` is the lifetime of the compiled regular expression and `'t` is the
 /// lifetime of the matched string.
+#[derive(Debug)]
 pub struct Matches<'r, 't>(re_trait::Matches<'t, ExecNoSyncStr<'r>>);
 
 impl<'r, 't> Iterator for Matches<'r, 't> {
@@ -1116,6 +1142,8 @@ impl<'r, 't> Iterator for Matches<'r, 't> {
     }
 }
 
+impl<'r, 't> FusedIterator for Matches<'r, 't> {}
+
 /// Replacer describes types that can be used to replace matches in a string.
 ///
 /// In general, users of this crate shouldn't need to implement this trait,
@@ -1215,6 +1243,7 @@ where
 /// and performant (since capture groups don't need to be found).
 ///
 /// `'t` is the lifetime of the literal text.
+#[derive(Clone, Debug)]
 pub struct NoExpand<'t>(pub &'t str);
 
 impl<'t> Replacer for NoExpand<'t> {