<分区>
如何使用字符串作为方法调用?
"Some Word".class #=> String
a = "class"
"Some World".a #=> undefined method 'a'
"Some World"."#{a}" #=> syntax error, unexpected tSTRING_BEG
标签 ruby
<分区>
如何使用字符串作为方法调用?
"Some Word".class #=> String
a = "class"
"Some World".a #=> undefined method 'a'
"Some World"."#{a}" #=> syntax error, unexpected tSTRING_BEG
最佳答案
>> a = "class"
>> "foo".send(a)
=> String
>> a = "reverse"
>> "foo".send(a)
=> "oof"
>> a = "something"
>> "foo".send(a)
NoMethodError: undefined method `something' for "foo":String
关于ruby - 如何将字符串转换为方法调用?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/6317298/
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