插入符号在Dart中做什么 [英] what does Caret sign do in Dart

问题描述

我正在看一些Flutter项目，并且注意到以下代码：

I am looking at some Flutter projects and I notice this codes:

  @override
  int get hashCode => todos.hashCode ^ isLoading.hashCode;

此^符号在做什么？在Flutter项目的AppState中可以找到此代码行。

What is this ^ sign doing here? This line of code is found in the AppState of Flutter projects. Is this used to compare the before and after State?

推荐答案

它是按位XOR运算符

https://www.dartlang.org/guides / language / language-tour＃operators

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