1 error: this argument is passed by value, but not consumed in the function body
2 --> $DIR/needless_pass_by_value.rs:12:23
4 12 | fn foo<T: Default>(v: Vec<T>, w: Vec<T>, mut x: Vec<T>, y: Vec<T>) -> Vec<T> {
5 | ^^^^^^ help: consider changing the type to: `&[T]`
7 = note: `-D needless-pass-by-value` implied by `-D warnings`
9 error: this argument is passed by value, but not consumed in the function body
10 --> $DIR/needless_pass_by_value.rs:26:11
12 26 | fn bar(x: String, y: Wrapper) {
13 | ^^^^^^ help: consider changing the type to: `&str`
15 error: this argument is passed by value, but not consumed in the function body
16 --> $DIR/needless_pass_by_value.rs:26:22
18 26 | fn bar(x: String, y: Wrapper) {
19 | ^^^^^^^ help: consider taking a reference instead: `&Wrapper`
21 error: this argument is passed by value, but not consumed in the function body
22 --> $DIR/needless_pass_by_value.rs:32:71
24 32 | fn test_borrow_trait<T: Borrow<str>, U: AsRef<str>, V>(t: T, u: U, v: V) {
25 | ^ help: consider taking a reference instead: `&V`
27 error: this argument is passed by value, but not consumed in the function body
28 --> $DIR/needless_pass_by_value.rs:44:18
30 44 | fn test_match(x: Option<Option<String>>, y: Option<Option<String>>) {
31 | ^^^^^^^^^^^^^^^^^^^^^^
33 help: consider taking a reference instead
35 44 | fn test_match(x: &Option<Option<String>>, y: Option<Option<String>>) {
39 error: this argument is passed by value, but not consumed in the function body
40 --> $DIR/needless_pass_by_value.rs:57:24
42 57 | fn test_destructure(x: Wrapper, y: Wrapper, z: Wrapper) {
43 | ^^^^^^^ help: consider taking a reference instead: `&Wrapper`
45 error: this argument is passed by value, but not consumed in the function body
46 --> $DIR/needless_pass_by_value.rs:57:36
48 57 | fn test_destructure(x: Wrapper, y: Wrapper, z: Wrapper) {
51 help: consider taking a reference instead
53 57 | fn test_destructure(x: Wrapper, y: &Wrapper, z: Wrapper) {
54 58 | let Wrapper(s) = z; // moved
55 59 | let Wrapper(ref t) = *y; // not moved
56 60 | let Wrapper(_) = *y; // still not moved
59 error: this argument is passed by value, but not consumed in the function body
60 --> $DIR/needless_pass_by_value.rs:73:49
62 73 | fn test_blanket_ref<T: Foo, S: Serialize>(_foo: T, _serializable: S) {}
63 | ^ help: consider taking a reference instead: `&T`
65 error: this argument is passed by value, but not consumed in the function body
66 --> $DIR/needless_pass_by_value.rs:75:18
68 75 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
69 | ^^^^^^ help: consider taking a reference instead: `&String`
71 error: this argument is passed by value, but not consumed in the function body
72 --> $DIR/needless_pass_by_value.rs:75:29
74 75 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
77 help: consider changing the type to
79 75 | fn issue_2114(s: String, t: &str, u: Vec<i32>, v: Vec<i32>) {
81 help: change `t.clone()` to
83 77 | let _ = t.to_string();
86 error: this argument is passed by value, but not consumed in the function body
87 --> $DIR/needless_pass_by_value.rs:75:40
89 75 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
90 | ^^^^^^^^ help: consider taking a reference instead: `&Vec<i32>`
92 error: this argument is passed by value, but not consumed in the function body
93 --> $DIR/needless_pass_by_value.rs:75:53
95 75 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
98 help: consider changing the type to
100 75 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: &[i32]) {
102 help: change `v.clone()` to
104 79 | let _ = v.to_owned();
107 error: this argument is passed by value, but not consumed in the function body
108 --> $DIR/needless_pass_by_value.rs:87:12
111 | ^^^^^^ help: consider changing the type to: `&str`
113 error: this argument is passed by value, but not consumed in the function body
114 --> $DIR/needless_pass_by_value.rs:88:12
117 | ^^^^^^ help: consider taking a reference instead: `&String`
119 error: this argument is passed by value, but not consumed in the function body
120 --> $DIR/needless_pass_by_value.rs:100:13
123 | ^ help: consider taking a reference instead: `&U`
125 error: this argument is passed by value, but not consumed in the function body
126 --> $DIR/needless_pass_by_value.rs:101:13
129 | ^^^^ help: consider taking a reference instead: `&Self`