From 54d3c463337e06ea3fecfcbc78418e43aee5c1c7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Tr=C3=A1vn=C3=AD=C4=8Dek?= <jan.travnicek@fit.cvut.cz>
Date: Fri, 21 Jan 2022 21:44:27 +0100
Subject: [PATCH] abstraction: allow constant retrieval of value from value
holder
---
alib2abstraction/src/abstraction/ValueHolder.hpp | 8 ++++++++
alib2abstraction/src/abstraction/ValueHolderInterface.hpp | 2 ++
2 files changed, 10 insertions(+)
diff --git a/alib2abstraction/src/abstraction/ValueHolder.hpp b/alib2abstraction/src/abstraction/ValueHolder.hpp
index fef24d6c4a..1138f22a0c 100644
--- a/alib2abstraction/src/abstraction/ValueHolder.hpp
+++ b/alib2abstraction/src/abstraction/ValueHolder.hpp
@@ -23,6 +23,10 @@ public:
Type && getValue ( ) override {
return std::move ( m_data.value ( ) );
}
+
+ const Type & getValue ( ) const override {
+ return m_data.value ( );
+ }
};
template < class Type >
@@ -39,6 +43,10 @@ public:
Type && getValue ( ) override {
return std::move ( m_data->get ( ) );
}
+
+ const Type & getValue ( ) const override {
+ return m_data->get ( );
+ }
};
template < class Type >
diff --git a/alib2abstraction/src/abstraction/ValueHolderInterface.hpp b/alib2abstraction/src/abstraction/ValueHolderInterface.hpp
index 319282015c..aa0f68b548 100644
--- a/alib2abstraction/src/abstraction/ValueHolderInterface.hpp
+++ b/alib2abstraction/src/abstraction/ValueHolderInterface.hpp
@@ -15,6 +15,8 @@ public:
virtual Type && getValue ( ) = 0;
+ virtual const Type & getValue ( ) const = 0;
+
};
template < class ParamType >
--
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