PadUsing::rfold

Philippe-Cholet · jswrenn · commit 3589780fd95a · 2023-12-24T16:49:17.000Z
diff --git a/src/pad_tail.rs b/src/pad_tail.rs
@@ -97,6 +97,16 @@ where
             Some((self.filler)(self.min))
         }
     }
+
+    fn rfold<B, G>(self, mut init: B, mut f: G) -> B
+    where
+        G: FnMut(B, Self::Item) -> B,
+    {
+        init = (self.iter.len()..self.min)
+            .map(self.filler)
+            .rfold(init, &mut f);
+        self.iter.rfold(init, f)
+    }
 }
 
 impl<I, F> ExactSizeIterator for PadUsing<I, F>

Original file line number	Diff line number	Diff line change
`@@ -97,6 +97,16 @@ where`
`97`	`97`	`Some((self.filler)(self.min))`
`98`	`98`	`}`
`99`	`99`	`}`
	`100`	`+`
	`101`	`+ fn rfold<B, G>(self, mut init: B, mut f: G) -> B`
	`102`	`+ where`
	`103`	`+ G: FnMut(B, Self::Item) -> B,`
	`104`	`+ {`
	`105`	`+ init = (self.iter.len()..self.min)`
	`106`	`+ .map(self.filler)`
	`107`	`+ .rfold(init, &mut f);`
	`108`	`+ self.iter.rfold(init, f)`
	`109`	`+ }`
`100`	`110`	`}`
`101`	`111`
`102`	`112`	`impl<I, F> ExactSizeIterator for PadUsing<I, F>`