From ff3246f51863f26b8a0a47bda4682ff0c21d32a1 Mon Sep 17 00:00:00 2001
From: Marcus Holland-Moritz <github@mhxnet.de>
Date: Sun, 13 Aug 2023 20:42:15 +0200
Subject: [PATCH] Pass predicate by universal reference in sortable_span

---
 include/dwarfs/sortable_span.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/dwarfs/sortable_span.h b/include/dwarfs/sortable_span.h
index bae36e2f..e7c13cd3 100644
--- a/include/dwarfs/sortable_span.h
+++ b/include/dwarfs/sortable_span.h
@@ -80,7 +80,7 @@ class sortable_span {
       : values_{values} {}
 
   template <typename P>
-  void select(P& predicate) {
+  void select(P&& predicate) {
     index_.reserve(values_.size());
     for (size_t i = 0; i < values_.size(); ++i) {
       if (predicate(values_[i])) {