与号 (&) 在 TypeScript 类型定义中是什么意思？
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What does the ampersand (&) mean in a TypeScript type definition?
提问by Carl Patenaude Poulin
On line 60359 of this type definition file, there is the following declaration:
在这个类型定义文件的第 60359 行，有如下声明：
type ActivatedEventHandler = (ev: Windows.ApplicationModel.Activation.IActivatedEventArgs & WinRTEvent<any>) => void;
What does the &sigil mean in this context?
&在这种情况下，印记是什么意思？
采纳答案by basarat
&in a type position means intersectiontype.
&在类型位置意味着交叉类型。
More
更多的
https://www.typescriptlang.org/docs/handbook/advanced-types.html#intersection-types
https://www.typescriptlang.org/docs/handbook/advanced-types.html#intersection-types
