ruby – 我如何在课堂上学习?
发布时间:2020-12-17 01:29:18 所属栏目:百科 来源:网络整理
导读:class X def initialize @name = "Bob" end blah blahendputs X.new # I want this to print X:Bobputs [X.new,X.new] # I want this to print [X:Bob,X:Bob] 解决方法 覆盖类的to_s方法: class X def initialize @name = "Bob" end def to_s "X:#{@name}"
class X def initialize @name = "Bob" end blah blah end puts X.new # I want this to print X:Bob puts [X.new,X.new] # I want this to print [X:Bob,X:Bob] 解决方法
覆盖类的to_s方法:
class X def initialize @name = "Bob" end def to_s "X:#{@name}" end end puts X.new # prints X:Bob puts [X.new,X.new].to_s # prints [X:Bob,X:Bob] (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |