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注解
注解 注解声明 用法 构造函数 Lambdas java 注解 注解 注解声明 注解是一种将元数据附加到代码中的方法。声明注解需要在类前面使用 annotation 关键字： annotation class fancy 用法 @fancy class Foo { @fancy fun ba... -
Transformations
Collection Transformations Mapping Zipping Association Flattening String representation Collection Transformations The Kotlin standard library provides a set of extension ... -
函数
函数 函数 函数（我们Java中的方法）可以使用fun 关键字就可以定义: fun onCreate ( savedInstanceState : Bundle ?) { } 如果你没有指定它的返回值，它就会返回Unit ，与Java中的void 类似，但是Unit 是一个真正的对象。你当然也可以指定任何其它的返回类型： fu... -
Built-in annotations
Link Extern ThreadLocal Packed AlwaysInline NoInline ReturnsTwice Raises CallConvention Flags The Crystal standard library includes some pre-defined annotations: Link ... -
Conditional Functions
Conditional Functions Conditional Functions By defining our fun function we’ve already shown how powerful our language is in its ability to define functions that look like ne... -
Built-in annotations
Built-in annotations Link Extern ThreadLocal Packed AlwaysInline NoInline ReturnsTwice Raises CallConvention Flags Built-in annotations The Crystal standard library in... -
Built-in annotations
Built-in annotations Link Extern ThreadLocal Packed AlwaysInline NoInline ReturnsTwice Raises CallConvention Flags Built-in annotations The Crystal standard library in... -
Built-in annotations
Built-in annotations Link Extern ThreadLocal Packed AlwaysInline NoInline ReturnsTwice Raises CallConvention Flags Built-in annotations The Crystal standard library in... -
Built-in annotations
Built-in annotations Link Extern ThreadLocal Packed AlwaysInline NoInline ReturnsTwice Raises CallConvention Flags Built-in annotations The Crystal standard library in... -
Application monitoring
Handling application-level events ApplicationEvents API Predefined EventDefinitions Subscribing to events and raising them Examples Handling application-level events On the...