From bfd56f73d422c1ec9c6d501437de60dd5504cafa Mon Sep 17 00:00:00 2001
From: Talley Lambert <talley.lambert@gmail.com>
Date: Sun, 1 Dec 2024 18:36:02 -0500
Subject: [PATCH] implement std::exception for MetadataError

---
 MMDevice/ImageMetadata.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/MMDevice/ImageMetadata.h b/MMDevice/ImageMetadata.h
index 212d7b084..ee27aeae1 100644
--- a/MMDevice/ImageMetadata.h
+++ b/MMDevice/ImageMetadata.h
@@ -55,6 +55,9 @@ class MetadataError
       return message_;
    }
 
+   /// Implements std::exception interface.
+   virtual const char* what() const throw() { return message_.c_str(); }
+
 private:
    std::string message_;
 };