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--- layout: post category: ruby title: == 核心子类Override一览 --- ## 引子 * 只检查类本身是否有Override,有些类的父类做了Override了的; * Module/Symbol虽然有Override `==`方法,但是代码跟BasicObject的一样,可认为没有Override; * Range 中的 `===`并不完全等于 `include?`, 参数处理上略有差异; | Class/Module | Override `==` | Override `eql?` (Same as `==`) | Override `===` (Same as `==`) | |---|---|---|---| | Array | √ | √(×)| × | | Hash | √ | √(√)| × | | Range | √ | √(×)| √(`include?`)| | Comparable | √ | × | × | | Exception | √ | × | × | | Numeric | × | √ | x | | Complex | √ | × | × | | Float | √ | √(×)| √(√)| | Integer | √ | × | √(√)| | Rational | √ | × | × | | MatchData | √ | √(√) | × | | Method | √ | √(√) | √(`call`)| | Proc | x | x | √(`call`)| | Module | × | × | × | | Random | √ | × | × | | Regexp | √ | √(√) | √(×)| | String | √ | √(×) | √(√)| | Struct | √ | √(×) | × | | Symbol | x | x | x | | FalseClass | x | x | √ | | TrueClass | x | x | √ | | NilClass | x | x | √ |
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3 entries across 3 versions & 1 rubygems