From adf2e1bd57abda94a2b969db0beed1d068298f54 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jean-Micha=C3=ABl=20Celerier?=
 <jeanmichael.celerier@gmail.com>
Date: Sat, 4 Jan 2025 17:06:47 -0500
Subject: [PATCH] concepts: define note port

---
 include/avnd/concepts/note_port.hpp | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 include/avnd/concepts/note_port.hpp

diff --git a/include/avnd/concepts/note_port.hpp b/include/avnd/concepts/note_port.hpp
new file mode 100644
index 00000000..0c0e5d66
--- /dev/null
+++ b/include/avnd/concepts/note_port.hpp
@@ -0,0 +1,25 @@
+#pragma once
+
+/* SPDX-License-Identifier: GPL-3.0-or-later OR BSL-1.0 OR CC0-1.0 OR CC-PDCC OR 0BSD */
+
+#include <avnd/common/concepts_polyfill.hpp>
+#include <avnd/concepts/generic.hpp>
+#include <avnd/concepts/midi.hpp>
+
+namespace avnd
+{
+
+// Note ports
+// FIXME MPE, etc.
+template <typename T>
+concept note_port = requires(T t) { t.notes; };
+
+template <typename T>
+concept dynamic_container_notes = note_port<T> && vector_ish<decltype(T::midi_messages)>;
+
+template <typename T>
+concept raw_container_note_port
+    = note_port<T> && std::is_pointer_v<decltype(T::midi_messages)>
+      && std::is_integral_v<decltype(T::size)>;
+
+}