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Auto merge of #13006 - flip1995:manual-inspect-error-message, r=Jarcho

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Add error message to manual_inspect lint

r? `@Jarcho`

changelog: none
This commit is contained in:
bors 2024-06-28 18:47:12 +00:00
commit 1aa236d59b
2 changed files with 27 additions and 23 deletions
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26
clippy_lints/src/methods/manual_inspect.rs
View file

@ -167,14 +167,12 @@ pub(crate) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, arg: &Expr<'_>, name:
} else {
edits.extend(addr_of_edits);
}
edits.push((
name_span,
String::from(match name {
"map" => "inspect",
"map_err" => "inspect_err",
_ => return,
}),
));
let edit = match name {
"map" => "inspect",
"map_err" => "inspect_err",
_ => return,
};
edits.push((name_span, edit.to_string()));
edits.push((
final_expr
.span
@ -187,9 +185,15 @@ pub(crate) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, arg: &Expr<'_>, name:
} else {
Applicability::MachineApplicable
};
span_lint_and_then(cx, MANUAL_INSPECT, name_span, "", |diag| {
diag.multipart_suggestion("try", edits, app);
});
span_lint_and_then(
cx,
MANUAL_INSPECT,
name_span,
format!("using `{name}` over `{edit}`"),
|diag| {
diag.multipart_suggestion("try", edits, app);
},
);
}
}
}

24
tests/ui/manual_inspect.stderr
View file

@ -1,4 +1,4 @@
error:
error: using `map` over `inspect`
--> tests/ui/manual_inspect.rs:5:21
|
LL | let _ = Some(0).map(|x| {
@ -12,7 +12,7 @@ LL ~ let _ = Some(0).inspect(|&x| {
LL ~ println!("{}", x);
|
error:
error: using `map` over `inspect`
--> tests/ui/manual_inspect.rs:10:21
|
LL | let _ = Some(0).map(|x| {
@ -24,7 +24,7 @@ LL ~ let _ = Some(0).inspect(|&x| {
LL ~ println!("{x}");
|
error:
error: using `map` over `inspect`
--> tests/ui/manual_inspect.rs:15:21
|
LL | let _ = Some(0).map(|x| {
@ -36,7 +36,7 @@ LL ~ let _ = Some(0).inspect(|&x| {
LL ~ println!("{}", x * 5 + 1);
|
error:
error: using `map` over `inspect`
--> tests/ui/manual_inspect.rs:20:21
|
LL | let _ = Some(0).map(|x| {
@ -50,7 +50,7 @@ LL | panic!();
LL ~ }
|
error:
error: using `map` over `inspect`
--> tests/ui/manual_inspect.rs:27:21
|
LL | let _ = Some(0).map(|x| {
@ -65,7 +65,7 @@ LL | panic!();
LL ~ }
|
error:
error: using `map` over `inspect`
--> tests/ui/manual_inspect.rs:78:41
|
LL | let _ = Some((String::new(), 0u32)).map(|x| {
@ -80,7 +80,7 @@ LL | panic!();
LL ~ }
|
error:
error: using `map` over `inspect`
--> tests/ui/manual_inspect.rs:104:33
|
LL | let _ = Some(String::new()).map(|x| {
@ -98,7 +98,7 @@ LL | }
LL ~ println!("test");
|
error:
error: using `map` over `inspect`
--> tests/ui/manual_inspect.rs:115:21
|
LL | let _ = Some(0).map(|x| {
@ -113,7 +113,7 @@ LL | panic!();
LL ~ }
|
error:
error: using `map` over `inspect`
--> tests/ui/manual_inspect.rs:130:46
|
LL | let _ = Some(Cell2(Cell::new(0u32))).map(|x| {
@ -125,7 +125,7 @@ LL ~ let _ = Some(Cell2(Cell::new(0u32))).inspect(|x| {
LL ~ x.0.set(1);
|
error:
error: using `map` over `inspect`
--> tests/ui/manual_inspect.rs:146:34
|
LL | let _: Result<_, ()> = Ok(0).map(|x| {
@ -137,7 +137,7 @@ LL ~ let _: Result<_, ()> = Ok(0).inspect(|&x| {
LL ~ println!("{}", x);
|
error:
error: using `map_err` over `inspect_err`
--> tests/ui/manual_inspect.rs:151:35
|
LL | let _: Result<(), _> = Err(0).map_err(|x| {
@ -166,7 +166,7 @@ LL | | .count();
= note: `-D clippy::suspicious-map` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::suspicious_map)]`
error:
error: using `map` over `inspect`
--> tests/ui/manual_inspect.rs:158:10
|
LL | .map(|x| {