榜单
服务器优惠
AI论文
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类型和方法
类型和方法 类和方法 类型推断 直接指定数据类型 不指定类型 联合类型(Union types) 重载 默认值和命名参数 *与元组 类型限制 返回类型 方法参数 操作符 二进制操作符 下标操作符 可见性 继承 抽象类 类方法 类属性 解构方法 类型和方法 类和方法 Crystal中一切都是对象 pers... -
Annotations
Annotations Applications Object Serialization ORMs Fields Key/value Positional Reading Reading Multiple Annotations Annotations Annotations can be used to add metadata t... -
Annotations
Annotations Applications Object Serialization ORMs Fields Key/value Positional Reading Reading Multiple Annotations Annotations Annotations can be used to add metadata t... -
Methods and instance variables
Methods and instance variables Getters and setters Redefining methods, and previous_def Catch-all initialization Methods and instance variables We can simplify our constructo... -
Methods and instance variables
Methods and instance variables Getters and setters Redefining methods, and previous_def Catch-all initialization Methods and instance variables We can simplify our constructo... -
Methods and instance variables
Methods and instance variables Getters and setters Redefining methods, and previous_def Catch-all initialization Methods and instance variables We can simplify our constructo... -
Annotations
Annotations Applications Object Serialization ORMs Fields Key/value Positional Reading Reading Multiple Annotations Annotations Annotations can be used to add metadata t... -
Blocks and Procs
Blocks and Procs Overloads Yield arguments Short one-parameter syntax yield value Type restrictions break next with … yield Unpacking block parameters Performance Bloc... -
Blocks and Procs
Blocks and Procs Overloads Yield arguments Short one-parameter syntax yield value Type restrictions break next with … yield Unpacking block parameters Performance Bloc... -
Blocks and Procs
Blocks and Procs Overloads Yield arguments Short one-parameter syntax yield value Type restrictions break next with … yield Unpacking block parameters Performance Bloc...