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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