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src/panda/basic_string.h  view on Meta::CPAN

            _new_internal_from_sso(capacity);
            return;
        }
        else if (_capacity_sso() < capacity) {
            traits_type::move(_sso, _str, _length);
            _str = _sso;
        }
    }

    // splits string into pwo pieces at position 'pos' with insert_count distance between them replacing remove_count chars after pos.
    // Tries its best not to allocate memory. set the length of string to old length + insert_count - remove_count.
    // The content of part [pos, pos+insert_count) is undefined after operation
    void _reserve_middle (size_type pos, size_type remove_count, size_type insert_count) {
        size_type newlen = _length + insert_count - remove_count;

        switch (_state) {
            case State::INTERNAL:
                if (_storage.internal->refcnt > 1) {
                    --_storage.internal->refcnt;
                    _reserve_middle_new(pos, remove_count, insert_count);
                }