mirror of
https://github.com/dtolnay/thiserror.git
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9f27b766f5
warning: the following explicit lifetimes could be elided: 'a
--> src/var.rs:5:6
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5 | impl<'a, T: Pointer + ?Sized> Pointer for Var<'a, T> {
| ^^ ^^
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= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
= note: `-W clippy::elidable-lifetime-names` implied by `-W clippy::pedantic`
= help: to override `-W clippy::pedantic` add `#[allow(clippy::elidable_lifetime_names)]`
help: elide the lifetimes
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5 - impl<'a, T: Pointer + ?Sized> Pointer for Var<'a, T> {
5 + impl<T: Pointer + ?Sized> Pointer for Var<'_, T> {
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warning: the following explicit lifetimes could be elided: 'a
--> tests/test_lints.rs:40:22
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40 | pub enum MyError<'a> {
| ^^
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= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
= note: `-W clippy::elidable-lifetime-names` implied by `-W clippy::pedantic`
= help: to override `-W clippy::pedantic` add `#[allow(clippy::elidable_lifetime_names)]`
help: elide the lifetimes
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40 - pub enum MyError<'a> {
40 + pub enum MyError'_> {
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warning: the following explicit lifetimes could be elided: 'a
--> tests/test_display.rs:157:14
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157 | impl<'a> Display for Msg<'a> {
| ^^ ^^
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= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
= note: `-W clippy::elidable-lifetime-names` implied by `-W clippy::pedantic`
= help: to override `-W clippy::pedantic` add `#[allow(clippy::elidable_lifetime_names)]`
help: elide the lifetimes
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157 - impl<'a> Display for Msg<'a> {
157 + impl Display for Msg<'_> {
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96 lines
1.9 KiB
Rust
96 lines
1.9 KiB
Rust
#![allow(clippy::mixed_attributes_style)]
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use thiserror::Error;
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pub use std::error::Error;
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#[test]
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fn test_allow_attributes() {
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#![deny(clippy::allow_attributes)]
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#[derive(Error, Debug)]
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#[error("...")]
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pub struct MyError(#[from] anyhow::Error);
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let _: MyError;
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}
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#[test]
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fn test_unused_qualifications() {
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#![deny(unused_qualifications)]
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// Expansion of derive(Error) macro can't know whether something like
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// std::error::Error is already imported in the caller's scope so it must
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// suppress unused_qualifications.
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#[derive(Error, Debug)]
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#[error("...")]
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pub struct MyError;
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let _: MyError;
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}
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#[test]
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fn test_needless_lifetimes() {
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#![allow(dead_code)]
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#![deny(clippy::elidable_lifetime_names, clippy::needless_lifetimes)]
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#[derive(Error, Debug)]
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#[error("...")]
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pub enum MyError<'a> {
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A(#[from] std::io::Error),
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B(&'a ()),
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}
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let _: MyError;
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}
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#[test]
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fn test_deprecated() {
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#![deny(deprecated)]
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#[derive(Error, Debug)]
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#[deprecated]
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#[error("...")]
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pub struct DeprecatedStruct;
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#[derive(Error, Debug)]
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#[error("{message} {}", .message)]
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pub struct DeprecatedStructField {
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#[deprecated]
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message: String,
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}
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#[derive(Error, Debug)]
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#[deprecated]
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pub enum DeprecatedEnum {
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#[error("...")]
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Variant,
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}
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#[derive(Error, Debug)]
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pub enum DeprecatedVariant {
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#[deprecated]
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#[error("...")]
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Variant,
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}
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#[derive(Error, Debug)]
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pub enum DeprecatedFrom {
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#[error(transparent)]
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Variant(
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#[from]
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#[allow(deprecated)]
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DeprecatedStruct,
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),
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}
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#[allow(deprecated)]
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let _: DeprecatedStruct;
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#[allow(deprecated)]
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let _: DeprecatedStructField;
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#[allow(deprecated)]
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let _ = DeprecatedEnum::Variant;
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#[allow(deprecated)]
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let _ = DeprecatedVariant::Variant;
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}
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