These instructions perform dynamic lookup of class and generic methods.

The class_method and super_method instructions must reference Swift native methods and always use vtable dispatch.

The objc_method and objc_super_method instructions must reference Objective-C methods (indicated by the foreignmarker on a method reference, as in #NSObject.description!1.foreign).

witness_method

https://github.com/apple/swift/blob/master/docs/SIL.rst#id129

swift -Dynamic Dispatch的更多相关文章

  1. Increasing Performance by Reducing Dynamic Dispatch

    https://developer.apple.com/swift/blog/?id=39 Increasing Performance by Reducing Dynamic Dispatch Li ...

  2. Dynamic dispatch

    Dynamic dispatch动态调度.动态分发 In computer science, dynamic dispatch is the process of selecting which im ...

  3. this inspection detects names that should resolved but don't. Due to dynamic dispatch and duck typing, this is possible in a limited but useful number of cases. Top-level and class-level items are sup

    输入第一行代码:import logging;logging.basicConfig(level==logging.INFO) 提示:this inspection detects names tha ...

  4. 【PyCharm编辑器】之无法导入引用手动新建的包或类，报：This inspection detects names that should resolve but don't. Due to dynamic dispatch and duck typing, this is possible in a limited but useful number of cases.

    一.现象描述 如下图所示,手动新建个类包calculator.py,想在test.py文件引用它,发现一直报红线,引用失败 Unresolved reference 'calculator' less ...

  5. Dynamic dispatch mechanisms

    Normally, in a typed language, the dispatch mechanism will be performed based on the type of the arg ...

  6. Swift dynamic关键字

    使用dynamic关键字标记属性,使属性启用Objc的动态转发功能: dynamic只用于类,不能用于结构体和枚举,因为它们没有继承机制,而Objc的动态转发就是根据继承关系来实现转发. 参考资料: ...

  7. Use Swift Dynamic Framework （如何科学地引用第三方 Swift 库)

    转自:http://andelf.github.io/blog/2014/07/07/use-swift-dynamic-library/ CocoaPods 由于完全使用静态链接解决方法,过度依赖 ...

  8. Only Link: What's the difference between dynamic dispatch and dynamic binding

    http://stackoverflow.com/questions/20187587/what-is-the-difference-between-dynamic-dispatch-and-late ...

  9. 【Python】This inspection detects names that should resolve but don't. Due to dynamic dispatch and duck

    情况一:导包import时发生错误,请参考这两位 https://blog.csdn.net/zhangyu4863/article/details/80212068https://www.cnblo ...

随机推荐

  1. mysql workbench快捷键

    注释/取消注释, ctrl+/   暂时不知道怎么设置(原配置是 ctrl+divide)格式化sql语句(美化sql语句), ctrl+b

  2. Oracle常用SQL与练习

    基本 数学函数 rownum相关 分页查询 (假设每页显示10条) 不包含排序: 包含排序: 时间处理 1. to_char和to_date基本使用 eg1: eg2: 2)months_betwee ...

  3. 如何获取板子上独有的ID号EXYNOS4412/Imx6ul【转】

    本文转载自:http://blog.csdn.net/u010871058/article/details/75637175 每个CPU,都有它固定的ID号,ID号就是这个CPU唯一的标识,它可能隐含 ...

  4. linux下nginx模块开发入门

    本文模块编写参考http://blog.codinglabs.org/articles/intro-of-nginx-module-development.html 之前讲了nginx的安装,算是对n ...

  5. uoj 30 tourists

    题目大意: 一个无向图 每个点有权值 支持两个操作 1 修改某个点的权值 2 查询a-b所有简单路径的点上的最小值 思路: 可以把图变成圆方树 然后树链剖分 维护 对于每个方点使用可删堆维护 #inc ...

  6. robotframework收藏

    收藏文章 http://www.360doc.com/userhome/38592059

  7. openStack 镜像制作,镜像裁剪一般步骤

    镜像制作一般裁剪步骤 1, linux系统安装CentOs/RHEL Desktop桌面系统,分区划分但分区/挂载点.设置Selinux=disabled关闭iptables安装cloud-init[ ...

  8. java笔记之IO3读操作

    * 字节输入流操作步骤: * A:创建字节输入流对象 * B:调用read()方法读取数据,并把数据显示在控制台 * C:释放资源 *  * 读取数据的方式: * A:int read():一次读取一 ...

  9. RelativeLayout和layout_weight的异曲同工之妙（转载）

    转自:http://ericbaner.iteye.com/blog/1161751 Android应用UI开发,对以上布局,可以使用RelativeLayout, 即: Xml代码 <Rela ...

  10. bzoj 4080: [Wf2014]Sensor Network【瞎搞+随机化】

    参考:https://blog.csdn.net/YihAN_Z/article/details/73380387 一点都不想写正解.jpg random_shuffle一下然后贪心的加点,和ans取 ...