There are two possible way to express abstraction over types. abstract class Buffer { type T val element: T
I have 2 related traits.Dao will be used be a class and DaoHelper will be used by Dao\'s companion object.I would like trait Dao to be able use functions defined in DaoHelper, the only way I could fig
I want to define a constructor in an abstract class that will create concrete subclasses. abstract class A {
I couldn\'t find the answer to this in any other question. Suppose that I have an abstract superclass Abstract0 with two subclasses, Concrete1 and Concrete1. I want to be able to define in Abstract0 s
《二十不惑》，《三十而已》最近的火爆让大家感慨：“二十不糊涂，不过才三十。我中间很迷茫。”看似简单的一句话，却戳中了无数人的心。
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