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authorPetr Mrázek <peterix@gmail.com>2016-04-10 15:53:05 +0200
committerPetr Mrázek <peterix@gmail.com>2016-05-01 00:00:14 +0200
commitb6d455a02bd338e9dc0faa09d4d8177ecd8d569a (patch)
tree41982bca1ede50049f2f8c7109dd18edeefde6d0 /api/logic/DefaultVariable.h
parent47e37635f50c09b4f9a9ee7699e3120bab3e4088 (diff)
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NOISSUE reorganize and document libraries
Diffstat (limited to 'api/logic/DefaultVariable.h')
-rw-r--r--api/logic/DefaultVariable.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/api/logic/DefaultVariable.h b/api/logic/DefaultVariable.h
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+++ b/api/logic/DefaultVariable.h
@@ -0,0 +1,35 @@
+#pragma once
+
+template <typename T>
+class DefaultVariable
+{
+public:
+ DefaultVariable(const T & value)
+ {
+ defaultValue = value;
+ }
+ DefaultVariable<T> & operator =(const T & value)
+ {
+ currentValue = value;
+ is_default = currentValue == defaultValue;
+ is_explicit = true;
+ return *this;
+ }
+ operator const T &() const
+ {
+ return is_default ? defaultValue : currentValue;
+ }
+ bool isDefault() const
+ {
+ return is_default;
+ }
+ bool isExplicit() const
+ {
+ return is_explicit;
+ }
+private:
+ T currentValue;
+ T defaultValue;
+ bool is_default = true;
+ bool is_explicit = false;
+};