From bb85c61ca1bb4fb6a05dbd8bd5c20dd93ba3a988 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Thu, 6 Jan 2022 18:18:58 -0800
Subject: [PATCH] Simplify scan_break

---
 src/algorithm.rs | 9 ++++-----
 src/ring.rs      | 4 ----
 2 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/src/algorithm.rs b/src/algorithm.rs
index 6a92606..5e2fad7 100644
--- a/src/algorithm.rs
+++ b/src/algorithm.rs
@@ -154,16 +154,15 @@ impl Printer {
             self.left_total = 1;
             self.right_total = 1;
             self.right = self.left;
-            self.buf.truncate(1);
+            self.buf.clear();
         } else {
+            self.check_stack(0);
             self.right += 1;
-            self.buf.advance_right();
         }
-        self.check_stack(0);
-        self.buf[self.right] = BufEntry {
+        self.buf.push(BufEntry {
             token: Token::Break(b),
             size: -self.right_total,
-        };
+        });
         self.scan_stack.push_back(self.right);
         self.right_total += b.blank_space;
     }
diff --git a/src/ring.rs b/src/ring.rs
index 03e535b..15443b3 100644
--- a/src/ring.rs
+++ b/src/ring.rs
@@ -34,10 +34,6 @@ impl<T> RingBuffer<T> {
     pub fn clear(&mut self) {
         self.data.clear();
     }
-
-    pub fn truncate(&mut self, len: usize) {
-        self.data.truncate(len);
-    }
 }
 
 impl<T> Index<usize> for RingBuffer<T> {