From db3e34b2bac0b5e4d55fa8a174c2bb776074b632 Mon Sep 17 00:00:00 2001
From: apio <blobs.trading@gmail.com>
Date: Sat, 19 Nov 2022 18:38:01 +0100
Subject: [PATCH] Result: Add try_set_value()

This helper returns true if the Result contains a value, or false if it doesn't.
Additionally, if it has a value, it sets the passed reference to it.
---
 luna/Result.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/luna/Result.h b/luna/Result.h
index e5e99ae0..1aec130f 100644
--- a/luna/Result.h
+++ b/luna/Result.h
@@ -104,6 +104,13 @@ template <typename T> class Result
         return other;
     }
 
+    bool try_set_value(T& ref)
+    {
+        if (!has_value()) return false;
+        ref = m_storage.fetch_reference();
+        return true;
+    }
+
     T release_value()
     {
         check(has_value());