网站首页
编程语言
数据库
系统相关
其他分享
编程问答
2.77
2024-11-14
sicp每日一题[2.77]
Exercise2.77LouisReasonertriestoevaluatetheexpression(magnitudez)wherezistheobjectshowninFigure2.24.Tohissurprise,insteadoftheanswershegetsanerrormessagefromapply-generic,sayingthereisnomethodfortheoperationmagni