Concurrency Concurrency vs. Parallelism Fibers Event loop Channels Execution of a program A Fiber The Runtime Scheduler Communicating data Sample code Spawning a fiber Spa...

Concurrency Concurrency vs. Parallelism Fibers Event loop Channels Execution of a program A Fiber The Runtime Scheduler Communicating data Sample code Spawning a fiber Spa...

finalize finalize If a class defines a finalize method, when an instance of that class isgarbage-collected that method will be invoked: class Foo def finalize ...

Concurrency Concurrency vs. Parallelism Fibers Event loop Channels Execution of a program A Fiber The Runtime Scheduler Communicating data Sample code Spawning a fiber Spa...

Concurrency Concurrency vs. Parallelism Fibers Event loop Channels Execution of a program A Fiber The Runtime Scheduler Communicating data Sample code Spawning a fiber Spa...

Concurrency Concurrency vs. Parallelism Fibers Event loop Channels Execution of a program A Fiber The Runtime Scheduler Communicating data Sample code Spawning a fiber Spa...

finalize finalize If a class defines a finalize method, when an instance of that class is garbage-collected that method will be invoked: class Foo def finalize ...

finalize finalize If a class defines a finalize method, when an instance of that class is garbage-collected that method will be invoked: class Foo def finalize ...

宏 宏作用域 插值 宏调用 条件语句 迭代 宏方法定义 钩子 变量刷新 宏 宏是一些预编译的方法（在编译时被加入到抽像语法树中）,这些方法必须是完整有效的Crystal代码。 macro define_method ( name , content ) def {{ name }} {{ content...

finalize finalize If a class defines a finalize method, when an instance of that class is garbage-collected that method will be invoked: class Foo def finalize ...