From 3e5cf3400273b0e4f8f96a3a87d2b9e57574eeec Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Tue, 16 Aug 2022 16:44:29 -0400
Subject: Upgrade to fmt 9.0.0

This library tends to break in annoying ways like this, so pin the major
version to 9 to hopefully avoid these problems in the future.
---
 src/SignalDirection.hpp | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'src/SignalDirection.hpp')

diff --git a/src/SignalDirection.hpp b/src/SignalDirection.hpp
index 3d499a4..84c3cc2 100644
--- a/src/SignalDirection.hpp
+++ b/src/SignalDirection.hpp
@@ -4,6 +4,15 @@
 #ifndef PATCHAGE_SIGNALDIRECTION_HPP
 #define PATCHAGE_SIGNALDIRECTION_HPP
 
+#include "warnings.hpp"
+
+PATCHAGE_DISABLE_FMT_WARNINGS
+#include <fmt/core.h>
+#include <fmt/ostream.h>
+PATCHAGE_RESTORE_WARNINGS
+
+#include <ostream>
+
 namespace patchage {
 
 enum class SignalDirection {
@@ -12,6 +21,24 @@ enum class SignalDirection {
   duplex,
 };
 
+inline std::ostream&
+operator<<(std::ostream& os, const SignalDirection direction)
+{
+  switch (direction) {
+  case SignalDirection::input:
+    return os << "input";
+  case SignalDirection::output:
+    return os << "output";
+  case SignalDirection::duplex:
+    return os << "duplex";
+  }
+
+  PATCHAGE_UNREACHABLE();
+}
+
 } // namespace patchage
 
+template<>
+struct fmt::formatter<patchage::SignalDirection> : fmt::ostream_formatter {};
+
 #endif // PATCHAGE_SIGNALDIRECTION_HPP
-- 
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