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新手问题 问个 Ruby 语法问题

hz251 · August 05, 2015 · Last by hz251 replied at August 05, 2015 · 1525 hits

func(arg)[variable] 这种写法是什么意思，variable 是被赋成函数返回值了吗

zgm #1 August 05, 2015

func(arg)[variable] => func(arg).call(variable)

quakewang #2 August 05, 2015

func(arg) 返回了一个对象，这个对象有 [] 这个方法（比如 Array/Hash）

def func(arg)
  {arg => 'foo'}
end
func('bar')['bar']
1 likes
hz251 #3 August 05, 2015

#2 楼 @quakewang 了解了，多谢

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