摘要:
动态类型的关键是将动态对象与实际类型信息绑定。 See also: Dynamic programming language and Interpreted language Dynamic type checking is the process of verifying the type saf 阅读全文
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New operators are declared at a global level using the operator keyword, and are marked with the prefix, infix or postfix modifiers: prefix operator + 阅读全文
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In addition to stored properties, classes, structures, and enumerations can define computed properties, which do not actually store a value. Instead, 阅读全文
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By specifying NSAllowsArbitraryLoadsInWebContent, you are overriding NSAllowsArbitraryLoads on iOS 10. In iOS 10 and later, and macOS 10.12 and later, 阅读全文