p(BasicObject.superclass) # BasicObject没有超类, 可以认为是ROOT Class, 1.9的Object和BasicObject是从1.8的Object拆分而来. 1.8中没有BasicObject. 执行结果 : Myclass Object Module Object Class nil subclass继承了superclass的attribute和method. 并且subclass可以复写superclass的方法. 新增superclass中不存在的...
Classes are created in Ruby with the class keyword: class Point end Like most Ruby constructs, a class definition is delimited with an end. In addition to defining a new class, the class keyword creates a new constant to refer to the class. The class name and the constant name are the ...
1.ruby是动态语言,c#是静态语言--即对象在new出来以后,ruby还可以动态给对象实例添加一些属性或方法(javascript也是如此) 2.ruby中刻意弱化了变量类型这个概念,默认情况下变量/方法都不需要声明具体(返回)类型,但其实在ruby内部,会自动根据变量的值分配类型。(可以通过 “puts 变量.class“查看) 3.ruby相对c#来讲,...
Hanami::Utils::Class Load classes from strings. It also supports namespaces. [API doc] Hanami::Utils::ClassAttribute Inheritable class attributes. [API doc] Hanami::Utils::Deprecation Deprecate Hanami features. [API doc] Hanami::Utils::FileList ...
2.1. class 2.2. 类型 类型 2.2.1. 创建和修改类型实例 2.2.2. 检索实例属性 2.3. 服务 服务 2.3.1. 检索服务 2.3.2. 服务方法 服务方法 2.3.2.1. Get 2.3.2.2. list 2.3.2.3. 添加 2.3.2.4. Update(更新) 2.3.2.5. 删除 2.3.2.6. 额外操作 ...
Normal Object-oriented Features (e.g. class, method calls) Advanced Object-oriented Features (e.g. mix-in, singleton-method) Operator Overloading Exception Handling Iterators and Closures Garbage Collection Dynamic Loading of Object Files (on some architectures) Highly Portable (works on many Unix...
class_eval do define_method "#{attribute}=" do |value| instance_variable_set("@#{attribute}", value) end define_method attribute do instance_variable_get "@#{attribute}" end end end add_checked_attribute(Person, :age) add_checked_attribute(Person, :sex) me = Person.new me.age = 18...
class Demo < ApiCaseBase update self.request,:requestId=>'gen_randcode(10)',:createTime=>'get_datetime' add_node self.request,"orderInfo",:orderId=>'gen_randcode(10)' add_list self.request,"payInfo",:transactionId=>'gen_randcode(15)',:payTime=>'get_datetime' sheetData={'ForApiOth...
classDemo< ApiCaseBaseupdateself.request,:requestId=>'gen_randcode(10)',:createTime=>'get_datetime'add_nodeself.request,"orderInfo",:orderId=>'gen_randcode(10)'add_listself.request,"payInfo",:transactionId=>'gen_randcode(15)',:payTime=>'get_datetime'sheetData={'ForApiOther'=>5} ...
1 class Dog > 2 defbark > 4 end 5 end [Feature #18159] ErrorHighlight Now it points at the relevant argument(s) for TypeError and ArgumentError test.rb:2:in `+': nil can't be coerced into Integer (TypeError) sum = ary[0] + ary[1] ...