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FabianWolffFabianWolff
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Warn about dead tuple struct fields
1 parent 7aaeee7 commit f232402

17 files changed

+60
-51
lines changed

‎tests/ui/borrow_interior_mutable_const/auxiliary/helper.rs

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@@ -2,6 +2,7 @@
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// As the most common case is the `http` crate, it replicates `http::HeadewrName`'s structure.
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#![allow(clippy::declare_interior_mutable_const)]
5+
#![allow(unused_tuple_struct_fields)]
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use std::sync::atomic::AtomicUsize;
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‎tests/ui/format.fixed

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// run-rustfix
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#![allow(
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unused_tuple_struct_fields,
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clippy::print_literal,
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clippy::redundant_clone,
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clippy::to_string_in_format_args,

‎tests/ui/format.rs

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// run-rustfix
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#![allow(
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unused_tuple_struct_fields,
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clippy::print_literal,
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clippy::redundant_clone,
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clippy::to_string_in_format_args,

‎tests/ui/format.stderr

Lines changed: 19 additions & 19 deletions
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@@ -1,25 +1,25 @@
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error: useless use of `format!`
2-
--> $DIR/format.rs:18:5
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--> $DIR/format.rs:19:5
33
|
44
LL | format!("foo");
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| ^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"foo".to_string()`
66
|
77
= note: `-D clippy::useless-format` implied by `-D warnings`
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error: useless use of `format!`
10-
--> $DIR/format.rs:19:5
10+
--> $DIR/format.rs:20:5
1111
|
1212
LL | format!("{{}}");
1313
| ^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"{}".to_string()`
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1515
error: useless use of `format!`
16-
--> $DIR/format.rs:20:5
16+
--> $DIR/format.rs:21:5
1717
|
1818
LL | format!("{{}} abc {{}}");
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| ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"{} abc {}".to_string()`
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2121
error: useless use of `format!`
22-
--> $DIR/format.rs:21:5
22+
--> $DIR/format.rs:22:5
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LL | / format!(
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LL | | r##"foo {{}}
@@ -34,91 +34,91 @@ LL ~ " bar"##.to_string();
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|
3535

3636
error: useless use of `format!`
37-
--> $DIR/format.rs:26:13
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--> $DIR/format.rs:27:13
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3939
LL | let _ = format!("");
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| ^^^^^^^^^^^ help: consider using `String::new()`: `String::new()`
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4242
error: useless use of `format!`
43-
--> $DIR/format.rs:28:5
43+
--> $DIR/format.rs:29:5
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4545
LL | format!("{}", "foo");
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| ^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"foo".to_string()`
4747

4848
error: useless use of `format!`
49-
--> $DIR/format.rs:32:5
49+
--> $DIR/format.rs:33:5
5050
|
5151
LL | format!("{:+}", "foo"); // Warn when the format makes no difference.
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| ^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"foo".to_string()`
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5454
error: useless use of `format!`
55-
--> $DIR/format.rs:33:5
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--> $DIR/format.rs:34:5
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5757
LL | format!("{:<}", "foo"); // Warn when the format makes no difference.
5858
| ^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"foo".to_string()`
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error: useless use of `format!`
61-
--> $DIR/format.rs:38:5
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--> $DIR/format.rs:39:5
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6363
LL | format!("{}", arg);
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| ^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `arg.to_string()`
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6666
error: useless use of `format!`
67-
--> $DIR/format.rs:42:5
67+
--> $DIR/format.rs:43:5
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|
6969
LL | format!("{:+}", arg); // Warn when the format makes no difference.
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| ^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `arg.to_string()`
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7272
error: useless use of `format!`
73-
--> $DIR/format.rs:43:5
73+
--> $DIR/format.rs:44:5
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|
7575
LL | format!("{:<}", arg); // Warn when the format makes no difference.
7676
| ^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `arg.to_string()`
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7878
error: useless use of `format!`
79-
--> $DIR/format.rs:70:5
79+
--> $DIR/format.rs:71:5
8080
|
8181
LL | format!("{}", 42.to_string());
8282
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `42.to_string()`
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8484
error: useless use of `format!`
85-
--> $DIR/format.rs:72:5
85+
--> $DIR/format.rs:73:5
8686
|
8787
LL | format!("{}", x.display().to_string());
8888
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `x.display().to_string()`
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9090
error: useless use of `format!`
91-
--> $DIR/format.rs:76:18
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--> $DIR/format.rs:77:18
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|
9393
LL | let _ = Some(format!("{}", a + "bar"));
9494
| ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `a + "bar"`
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9696
error: useless use of `format!`
97-
--> $DIR/format.rs:80:22
97+
--> $DIR/format.rs:81:22
9898
|
9999
LL | let _s: String = format!("{}", &*v.join("/n"));
100100
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `(&*v.join("/n")).to_string()`
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102102
error: useless use of `format!`
103-
--> $DIR/format.rs:86:13
103+
--> $DIR/format.rs:87:13
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105105
LL | let _ = format!("{x}");
106106
| ^^^^^^^^^^^^^^ help: consider using `.to_string()`: `x.to_string()`
107107

108108
error: useless use of `format!`
109-
--> $DIR/format.rs:88:13
109+
--> $DIR/format.rs:89:13
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|
111111
LL | let _ = format!("{y}", y = x);
112112
| ^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `x.to_string()`
113113

114114
error: useless use of `format!`
115-
--> $DIR/format.rs:92:13
115+
--> $DIR/format.rs:93:13
116116
|
117117
LL | let _ = format!("{abc}");
118118
| ^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `abc.to_string()`
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120120
error: useless use of `format!`
121-
--> $DIR/format.rs:94:13
121+
--> $DIR/format.rs:95:13
122122
|
123123
LL | let _ = format!("{xx}");
124124
| ^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `xx.to_string()`

‎tests/ui/from_iter_instead_of_collect.fixed

Lines changed: 1 addition & 1 deletion
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@@ -1,7 +1,7 @@
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// run-rustfix
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#![warn(clippy::from_iter_instead_of_collect)]
4-
#![allow(unused_imports)]
4+
#![allow(unused_imports, unused_tuple_struct_fields)]
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use std::collections::{BTreeMap, BTreeSet, HashMap, VecDeque};
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‎tests/ui/from_iter_instead_of_collect.rs

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// run-rustfix
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#![warn(clippy::from_iter_instead_of_collect)]
4-
#![allow(unused_imports)]
4+
#![allow(unused_imports, unused_tuple_struct_fields)]
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66
use std::collections::{BTreeMap, BTreeSet, HashMap, VecDeque};
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‎tests/ui/must_use_candidates.fixed

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@@ -1,6 +1,6 @@
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// run-rustfix
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#![feature(never_type)]
3-
#![allow(unused_mut, clippy::redundant_allocation)]
3+
#![allow(unused_mut, unused_tuple_struct_fields, clippy::redundant_allocation)]
44
#![warn(clippy::must_use_candidate)]
55
use std::rc::Rc;
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use std::sync::atomic::{AtomicBool, Ordering};

‎tests/ui/must_use_candidates.rs

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
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// run-rustfix
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#![feature(never_type)]
3-
#![allow(unused_mut, clippy::redundant_allocation)]
3+
#![allow(unused_mut, unused_tuple_struct_fields, clippy::redundant_allocation)]
44
#![warn(clippy::must_use_candidate)]
55
use std::rc::Rc;
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use std::sync::atomic::{AtomicBool, Ordering};

‎tests/ui/numbered_fields.fixed

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@@ -1,5 +1,6 @@
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//run-rustfix
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#![warn(clippy::init_numbered_fields)]
3+
#![allow(unused_tuple_struct_fields)]
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#[derive(Default)]
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struct TupleStruct(u32, u32, u8);

‎tests/ui/numbered_fields.rs

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@@ -1,5 +1,6 @@
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//run-rustfix
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#![warn(clippy::init_numbered_fields)]
3+
#![allow(unused_tuple_struct_fields)]
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45
#[derive(Default)]
56
struct TupleStruct(u32, u32, u8);

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