Diff of /libutil++/cached_value.h [ecfbcc] .. [74abfb] Maximize Restore

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a/libutil++/cached_value.h b/libutil++/cached_value.h
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 */
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 */
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template <class T>
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template <class T>
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class cached_value
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class cached_value
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{
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{
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public:
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public:
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    cached_value() : set(false) {}
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    cached_value() : set(false) { value = T(); }
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    typedef T value_type;
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    typedef T value_type;
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    /// return the cached value
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    /// return the cached value
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    value_type const get() const {
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    value_type const get() const {