如何获得在 Rust 中实现特定特征的类型列表? [英] How can I get a list of types that implement a particular trait in Rust?

问题描述

我想知道一个实现std::io::Write的结构体；是在某个文件中描述的吗?

I want to know a struct that implements std::io::Write; is it described in some document?

推荐答案

当您查找 API 时 APIcode>std 你可以在那里搜索你的特征(例如 std::io::Write).

When you lookup the API for std you can search for your trait there (e.g. std::io::Write).

当您向下滚动到Implementors" 您将在 std 中看到实现该特征的所有结构体/枚举.

When you scroll down to the section "Implementors" you will see all structs/enums that implement that trait in std.

为了获得更好的概览，您可以使用 + 或 - 键折叠所有部分并获得一个不错的概览，例如

To get a better overview, you can use the + or - keys to collapse all sections and have a nice overview, e.g.

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