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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,24 @@ | ||
// run-rustfix | ||
#![warn(clippy::iter_next_slice)] | ||
|
||
fn main() { | ||
// test code goes here | ||
let s = [1, 2, 3]; | ||
let v = vec![1, 2, 3]; | ||
|
||
s.get(0); | ||
// Should be replaced by s.get(0) | ||
|
||
s.get(2); | ||
// Should be replaced by s.get(2) | ||
|
||
v.get(5); | ||
// Should be replaced by v.get(5) | ||
|
||
v.get(0); | ||
// Should be replaced by v.get(0) | ||
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||
let o = Some(5); | ||
o.iter().next(); | ||
// Shouldn't be linted since this is not a Slice or an Array | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,24 @@ | ||
// run-rustfix | ||
#![warn(clippy::iter_next_slice)] | ||
|
||
fn main() { | ||
// test code goes here | ||
let s = [1, 2, 3]; | ||
let v = vec![1, 2, 3]; | ||
|
||
s.iter().next(); | ||
// Should be replaced by s.get(0) | ||
|
||
s[2..].iter().next(); | ||
// Should be replaced by s.get(2) | ||
|
||
v[5..].iter().next(); | ||
// Should be replaced by v.get(5) | ||
|
||
v.iter().next(); | ||
// Should be replaced by v.get(0) | ||
|
||
let o = Some(5); | ||
o.iter().next(); | ||
// Shouldn't be linted since this is not a Slice or an Array | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,28 @@ | ||
error: Using `.iter().next()` on an array | ||
--> $DIR/iter_next_slice.rs:9:5 | ||
| | ||
LL | s.iter().next(); | ||
| ^^^^^^^^^^^^^^^ help: try calling: `s.get(0)` | ||
| | ||
= note: `-D clippy::iter-next-slice` implied by `-D warnings` | ||
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||
error: Using `.iter().next()` on a Slice without end index. | ||
--> $DIR/iter_next_slice.rs:12:5 | ||
| | ||
LL | s[2..].iter().next(); | ||
| ^^^^^^^^^^^^^^^^^^^^ help: try calling: `s.get(2)` | ||
|
||
error: Using `.iter().next()` on a Slice without end index. | ||
--> $DIR/iter_next_slice.rs:15:5 | ||
| | ||
LL | v[5..].iter().next(); | ||
| ^^^^^^^^^^^^^^^^^^^^ help: try calling: `v.get(5)` | ||
|
||
error: Using `.iter().next()` on an array | ||
--> $DIR/iter_next_slice.rs:18:5 | ||
| | ||
LL | v.iter().next(); | ||
| ^^^^^^^^^^^^^^^ help: try calling: `v.get(0)` | ||
|
||
error: aborting due to 4 previous errors | ||
|
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