From 8dd935e4814f2613aa20e5d004dca73df29d5051 Mon Sep 17 00:00:00 2001
From: Arnaud Becheler <8360330+Becheler@users.noreply.github.com>
Date: Mon, 8 Jun 2026 10:15:13 +0200
Subject: [PATCH] fix: widen the constructor from unsigned to std::size_t

---
 include/boost/property_map/vector_property_map.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/boost/property_map/vector_property_map.hpp b/include/boost/property_map/vector_property_map.hpp
index baf615f..c24b5a7 100644
--- a/include/boost/property_map/vector_property_map.hpp
+++ b/include/boost/property_map/vector_property_map.hpp
@@ -12,6 +12,7 @@
 
 #include <boost/property_map/property_map.hpp>
 #include <boost/smart_ptr/shared_ptr.hpp>
+#include <cstddef>
 #include <iterator>
 #include <vector>
 
@@ -34,7 +35,7 @@ namespace boost {
         : store(new std::vector<T>()), index(index)
         {}
 
-        vector_property_map(unsigned initial_size, 
+        vector_property_map(std::size_t initial_size,
                             const IndexMap& index = IndexMap())
         : store(new std::vector<T>(initial_size)), index(index)
         {}