classTest(enum.Enum):A=1B=1C=2D=2print([名称for名称,枚举成员inTest.__members__.items()if枚举成员.name!=名称])# 输出结果为 ['B', 'D'] 也可以添加一个类装饰器@enum.unique,用来强制规定枚举成员的值也必须是唯一的。 importenum@enum.uniqueclassTest(enum.Enum):A=1B=1# ValueError: dupl...
>>>fromenumimportEnum>>>importstring>>>classBaseTextEnum(Enum):...defas_list(self):...try:...returnlist(self.value)...exceptTypeError:...return[str(self.value)] ...>>>classAlphabet(BaseTextEnum):...LOWERCASE = string.ascii_lowercase...UPPERCASE = string.ascii_uppercase ...>>>Alph...
Bitwise Operators in C Programming Preprocessor Directives in C: Introduction, Types, & Workflow Control Statements in C: Types and Examples Pointers in C with Types and Examples What is Enum in C, and How Do We Use It in a Program? What are Break and Continue Statements in C? What is ...
Provides the base class for enumerations. C#Copy publicabstractclassEnum:ValueType,IComparable,IConvertible,ISpanFormattable Inheritance Object ValueType Enum Derived Accessibility.AnnoScope Microsoft.Aspnet.Snapin.MMC_CONTROL_TYPE Microsoft.CSharp.ErrorLevel ...
accelerators when the module is removed.$MyInvocation.MyCommand.ScriptBlock.Module.OnRemove = {foreach($Typein$ExportableTypes) {$TypeAcceleratorsClass::Remove($Type.FullName) } }.GetNewClosure() 当用户导入模块时,添加到会话的类型加速器中的任何类型都立即可用于 IntelliSense 和完成。 删除模块时,...
import java.util.*;public class Test {public static void main(String[] args) {Scanner in = new Scanner(System.in);System.out.println("请输入你心中的数字:");int sex = in.nextInt();if (sex == 1) {System.out.println("你出的是石头");return;}if (sex == 2) {System....
Combination values can be provided explicitly and will be returned in place of the multiple flag values that would have been returned from the FromValue() method. public class SmartFlagTestEnum : SmartFlagEnum<SmartFlagTestEnum> { public static readonly SmartFlagTestEnum None = new SmartFlagTest...
这个错误还不是代码的问题,而是文件编码的问题。楼主估计是用了一个非记事本的编辑器吧?这个文件因编码的问题,在java.util.*;这条语句的开头也就是i前面隐藏了一个字符,就像是\n回车这种字符,你是看不到的。解决办法就是新建一个文本文件,用记事本打开,把你的这些代码复制进去,重命名为cat....
Does not use the heap and can be compiled with exceptions disabled, for use in minimal freestanding environments. Limitations The biggest limitation is that theBETTER_ENUMmacro can't be used inside a class. This seemsdifficult to remove. There is a workaround withtypedef(or C++11using): ...
An enumeration declared at namespace level, outside any class, structure, module, or interface, is a member of the namespace in which it appears. Thedeclaration contextfor an enumeration must be a source file, namespace, class, structure, module, or interface, and cannot be a procedure. Fo...