From a5fdf4b410d54acdccdfc57e682d0af79c547af6 Mon Sep 17 00:00:00 2001
From: Charles Cabergs <charles.cabergs@intellis.ch>
Date: Fri, 9 Jan 2026 13:27:16 +0100
Subject: [PATCH] Add draft to allow char containers except strings

---
 tests/message.cpp | 17 +++++++++++++++++
 zmq.hpp           |  3 ++-
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/tests/message.cpp b/tests/message.cpp
index 645d806..db6267c 100644
--- a/tests/message.cpp
+++ b/tests/message.cpp
@@ -48,6 +48,23 @@ TEST_CASE("message constructor with iterators", "[message]")
     CHECK(0 == memcmp(data, hi_msg.data(), 2));
 }
 
+TEST_CASE("message constructor with ranges", "[message]")
+{
+    SECTION("trivial type")
+    {
+        const std::vector<int> v{1,2,3};
+        const zmq::message_t msg(v);
+        CHECK(3u * sizeof(int) == hi_msg.size());
+    }
+    SECTION("char type")
+    {
+        const std::vector<char> hi{'H', 'i'};
+        const zmq::message_t hi_msg(hi);
+        CHECK(2u == hi_msg.size());
+        CHECK(0 == memcmp(data, hi_msg.data(), 2));
+    }
+}
+
 TEST_CASE("message constructor with size", "[message]")
 {
     const zmq::message_t msg(5);
diff --git a/zmq.hpp b/zmq.hpp
index 2f4d0e0..3665ab4 100644
--- a/zmq.hpp
+++ b/zmq.hpp
@@ -476,8 +476,9 @@ class message_t
              typename = typename std::enable_if<
                detail::is_range<Range>::value
                && ZMQ_IS_TRIVIALLY_COPYABLE(detail::range_value_t<Range>)
-               && !detail::is_char_type<detail::range_value_t<Range>>::value
                && !std::is_same<Range, message_t>::value>::type>
+               && !std::is_same<Range, std::string>::value>::type>
+               && !std::is_same<Range, std::string_view>::value>::type>
     explicit message_t(const Range &rng) :
         message_t(detail::ranges::begin(rng), detail::ranges::end(rng))
     {