Merge pull request #29 from cuviper/dec

Use `Integer::dec` where we can

Cargo.toml

@@ -8,7 +8,7 @@ categories = ["algorithms", "science", "no-std"]
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/rust-num/num-iter"
 name = "num-iter"
-version = "0.1.44"
+version = "0.1.45"
 readme = "README.md"
 exclude = ["/ci/*", "/.github/*"]
 edition = "2018"
@@ -20,7 +20,7 @@ features = ["std"]
 [dependencies]
 
 [dependencies.num-integer]
-version = "0.1.42"
+version = "0.1.46"
 default-features = false
 features = ["i128"]
 

RELEASES.md

@@ -1,3 +1,11 @@
+# Release 0.1.45 (2024-05-03)
+
+- [Use `Integer::dec` in `DoubleEndedIterator`][29]
+
+**Contributors**: @cuviper
+
+[29]: https://github.com/rust-num/num-iter/pull/29
+
 # Release 0.1.44 (2024-02-07)
 
 - [Upgrade to 2018 edition, **MSRV 1.31**][22]

src/lib.rs

@@ -125,7 +125,7 @@ where
     #[inline]
     fn next_back(&mut self) -> Option<A> {
         if self.stop > self.state {
-            self.stop = self.stop.clone() - self.one.clone();
+            self.stop.dec();
             Some(self.stop.clone())
         } else {
             None
@@ -207,7 +207,7 @@ where
     fn next_back(&mut self) -> Option<A> {
         if self.range.stop > self.range.state {
             let result = self.range.stop.clone();
-            self.range.stop = self.range.stop.clone() - self.range.one.clone();
+            self.range.stop.dec();
             Some(result)
         } else if !self.done && self.range.state == self.range.stop {
             self.done = true;