X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/ae21e8d6ad32d0bf3517127aef5cd8129b7507aa..c34623ea91d2c8771889581b5457b4a9ec8256b4:/include/stg/resetable.h diff --git a/include/stg/resetable.h b/include/stg/resetable.h index c78d0247..a451b357 100644 --- a/include/stg/resetable.h +++ b/include/stg/resetable.h @@ -42,6 +42,19 @@ public: const T & data() const throw() { return value; } bool empty() const throw() { return !is_set; } void reset() throw() { is_set = false; } + void splice(const RESETABLE & 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;