Public interfaces: part 1

[stg.git] / include / stg / resetable.h

diff --git a/include/stg/resetable.h b/include/stg/resetable.h
deleted file mode 100644 (file)
index a451b35..0000000
--- a/include/stg/resetable.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * Copyright (c) 2001 by Peter Simons <simons@cryp.to>.
- * All rights reserved.
- */
-
-#ifndef RESETABLE_VARIABLE_H
-#define RESETABLE_VARIABLE_H
-
-// This is a wrapper class about variables where you want to keep
-// track of whether it has been assigened yet or not.
-
-template <typename T>
-class RESETABLE
-{
-public:
-    typedef T value_type;
-
-    RESETABLE() : value(), is_set(false) {}
-    RESETABLE(const T & v) : value(v), is_set(true) {}
-
-    RESETABLE(const RESETABLE<T> & rvalue)
-        : value(rvalue.value),
-          is_set(rvalue.is_set)
-    {}
-
-    RESETABLE<T> & operator=(const RESETABLE<T> & rhs)
-    {
-        value = rhs.value;
-        is_set = rhs.is_set;
-        return *this;
-    }
-
-    RESETABLE<T> & operator=(const T & rhs)
-    {
-        value = rhs;
-        is_set = true;
-        return *this;
-    }
-
-    const T & const_data() const throw() { return value; }
-    T & data() throw() { return value; }
-    const T & data() const throw() { return value; }
-    bool empty() const throw() { return !is_set; }
-    void reset() throw() { is_set = false; }
-    void splice(const RESETABLE<T> & rhs)
-    {
-        if (rhs.is_set)
-        {
-            value = rhs.value;
-            is_set = true;
-        }
-    }
-    void maybeSet(value_type& dest) const
-    {
-        if (is_set)
-            dest = value;
-    }
-
-private:
-    value_type value;
-    bool       is_set;
-};
-
-#endif // RESETABLE_VARIABLE_H