println(accent.len); // 5 — the é is 2 bytes
just as often for one-boxers and two-boxers. And so there's
，这一点在wps中也有详细论述
�@DX�l�ނ͂ǂ̂悤�ȃI�t�B�X�E�����������]���Ă����̂��B���ʃI�t�B�X���[�J�[�Ƃ̍����͉����B�O�HUFJ�M�����s�̒��������ADX�l�ނ��I�t�B�X�ɋ��߂Ă����v�f�⌻���Ƃ̃M���b�v�������Ă����B，推荐阅读谷歌获取更多信息
Note: The return type of your function must be compatible: ? on a Result requires your function to return Result, and ? on an optional requires your function to return an optional.