Rework container helpers, use pipe syntax and cleanup implementation

use 'container | filter(func) | reverse() | transform(func)' instead
of 'transform(reverse(filter(container), func), func)' to express
container transformations.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/buffer.cc b/src/buffer.cc
index e140f333..c0e25f0a 100644
--- a/src/buffer.cc
+++ b/src/buffer.cc
@@ -304,7 +304,7 @@ bool Buffer::undo()
 
     --m_history_cursor;
 
-    for (const Modification& modification : reversed(*m_history_cursor))
+    for (const Modification& modification : *m_history_cursor | reverse())
         apply_modification(modification.inverse());
     return true;
 }