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- black_lq 2017-09-13
- 方法名相同参数不同，为了避免歧义，应该将参数名按顺序写全。
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- black_lq 2017-09-13
- 函数、闭包的参数类型列表必须使用小括号。
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- 措言 2017-06-13
- let list = StudentsList(students: ["A", "B", "C", "D"]) let f = list.addStudent(name:at:) f("liuyubobobo", 0) list let f2 = list.addStudent(name:after:) let f3 = list.addStudent(name:before:)
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- 措言 2017-06-13
- class StudentsList{ var students : [String] init(students : [String]){ self.students = students } func addStudent(name: String, at index: Int){ self.students.insert(name, at: index) } func addStudent(name: String, after student: String){ if let index = students.index(of: student){ self.students.insert(name, at: index) } } func addStudent(name: String, before student: String){ if let index = students.index(of: student){ self.students.insert(name, at: index+1) } } }
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- 措言 2017-06-13
- (Int)->(Int)->Int
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- 措言 2017-06-13
- selectScore
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- 你爱我呗 2016-11-26
- 明确方法内部参数名
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