prev()

template<typename Key, size_t N>

bool fl::FixedSet< Key, N >::prev ( const Key & key, Key * prev_key, bool allow_rollover = false ) const

inline

Definition at line 100 of file set.h.

                                                                                {
        const_iterator it = find(key);
        if (it != end()) {
            if (it != begin()) {
                --it;
                *prev_key = *it;
                return true;
            } else if (allow_rollover && !empty()) {
                *prev_key = data[data.size() - 1];
                return true;
            }
        }
        return false;
    }

References begin(), data, empty(), end(), and find().

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