3.2. Lint Groups

未匹配的标注

Lint Groups

rustc 有个叫做 “lint 组”的概念, 你可以通过一个名称来切换其余几个 lint。

例如, nonstandard-style lint 一次便可设置 non-camel-case-types,
non-snake-case, 和 non-upper-case-globals。所以以下两条命令是等价的:

$ rustc -D nonstandard-style
$ rustc -D non-camel-case-types -D non-snake-case -D non-upper-case-globals

这儿有一个包含每个 lint 组,和组成它们的 lint 的列表:

描述 包含的lint
warning 所有设置为发出问题警告的 lint 请查看本章 warn-by-default
future-incompatible 用来检测代码未来兼容性问题的 lint absolute-paths-not-starting-with-crate, ambiguous-associated-items, anonymous-parameters, array-into-iter, cenum-impl-drop-cast, coherence-leak-check, conflicting-repr-hints, const-evaluatable-unchecked, ill-formed-attribute-input, illegal-floating-point-literal-pattern, indirect-structural-match, invalid-type-param-default, keyword-idents, late-bound-lifetime-arguments, macro-expanded-macro-exports-accessed-by-absolute-paths, missing-fragment-specifier, mutable-borrow-reservation-conflict, nontrivial-structural-match, order-dependent-trait-objects, patterns-in-fns-without-body, pointer-structural-match, private-in-public, proc-macro-derive-resolution-fallback, pub-use-of-private-extern-crate, safe-packed-borrows, soft-unstable, tyvar-behind-raw-pointer, uninhabited-static, unstable-name-collisions, where-clauses-object-safety
nonstandard-style 违反标准命令约定 non-camel-case-types, non-snake-case, non-upper-case-globals
rust-2018-compatibility 用来将代码从 Rust 2015向 Rust 2018转移的lint absolute-paths-not-starting-with-crate, anonymous-parameters, keyword-idents, tyvar-behind-raw-pointer
rust-2018-idioms 用来推动你适应Rust 2018惯用特征的 lint bare-trait-objects, elided-lifetimes-in-paths, ellipsis-inclusive-range-patterns, explicit-outlives-requirements, unused-extern-crates
rustdoc Rustdoc 特有的 lint broken-intra-doc-links, invalid-codeblock-attributes, invalid-html-tags, missing-doc-code-examples, non-autolinks, private-doc-tests, private-intra-doc-links
unused 用来检测声明但未使用,或是语法冗余的 lint dead-code, overlapping-patterns, path-statements, redundant-semicolons, unreachable-code, unreachable-patterns, unused-allocation, unused-assignments, unused-attributes, unused-braces, unused-doc-comments, unused-extern-crates, unused-features, unused-imports, unused-labels, unused-macros, unused-must-use, unused-mut, unused-parens, unused-unsafe, unused-variables

另外, bad-style lint 组是 nonstandard-style 组已弃用的别名。

最后,你可以通过调用 rustc -W help 来查看上表,其将为你提供已安装编译器版本对应的 lint组 的确切值。

文档原文: What is rustc? - The rustc book
GitHub:rust/src/doc/rustc at master · rust-lang/rust

本文章首发在 LearnKu.com 网站上。

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原文地址:https://learnku.com/docs/rustc-book/2020...

译文地址:https://learnku.com/docs/rustc-book/2020...

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