rust-clippy/tests/ui/map_unwrap_or.stderr

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error: called `map(<f>).unwrap_or(<a>)` on an `Option` value
--> tests/ui/map_unwrap_or.rs:17:13
|
LL | let _ = opt.map(|x| x + 1)
| _____________^
LL | | // Should lint even though this call is on a separate line.
LL | | .unwrap_or(0);
| |_____________________^
|
= note: `-D clippy::map-unwrap-or` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::map_unwrap_or)]`
help: use `map_or(<a>, <f>)` instead
|
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LL - let _ = opt.map(|x| x + 1)
LL + let _ = opt.map_or(0, |x| x + 1);
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|
error: called `map(<f>).unwrap_or(<a>)` on an `Option` value
--> tests/ui/map_unwrap_or.rs:21:13
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LL | let _ = opt.map(|x| {
| _____________^
LL | | x + 1
LL | | }
LL | | ).unwrap_or(0);
| |__________________^
|
help: use `map_or(<a>, <f>)` instead
|
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LL ~ let _ = opt.map_or(0, |x| {
LL | x + 1
LL | }
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LL ~ );
|
error: called `map(<f>).unwrap_or(<a>)` on an `Option` value
--> tests/ui/map_unwrap_or.rs:25:13
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LL | let _ = opt.map(|x| x + 1)
| _____________^
LL | | .unwrap_or({
LL | | 0
LL | | });
| |__________^
|
help: use `map_or(<a>, <f>)` instead
|
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LL ~ let _ = opt.map_or({
LL + 0
LL ~ }, |x| x + 1);
|
error: called `map(<f>).unwrap_or(None)` on an `Option` value
--> tests/ui/map_unwrap_or.rs:30:13
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LL | let _ = opt.map(|x| Some(x + 1)).unwrap_or(None);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: use `and_then(<f>)` instead
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LL - let _ = opt.map(|x| Some(x + 1)).unwrap_or(None);
LL + let _ = opt.and_then(|x| Some(x + 1));
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error: called `map(<f>).unwrap_or(None)` on an `Option` value
--> tests/ui/map_unwrap_or.rs:32:13
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LL | let _ = opt.map(|x| {
| _____________^
LL | | Some(x + 1)
LL | | }
LL | | ).unwrap_or(None);
| |_____________________^
|
help: use `and_then(<f>)` instead
|
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LL ~ let _ = opt.and_then(|x| {
LL | Some(x + 1)
LL | }
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LL ~ );
|
error: called `map(<f>).unwrap_or(None)` on an `Option` value
--> tests/ui/map_unwrap_or.rs:36:13
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LL | let _ = opt
| _____________^
LL | | .map(|x| Some(x + 1))
LL | | .unwrap_or(None);
| |________________________^
|
help: use `and_then(<f>)` instead
|
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LL - .map(|x| Some(x + 1))
LL + .and_then(|x| Some(x + 1));
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error: called `map(<f>).unwrap_or(<a>)` on an `Option` value
--> tests/ui/map_unwrap_or.rs:47:13
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LL | let _ = Some("prefix").map(|p| format!("{}.", p)).unwrap_or(id);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: use `map_or(<a>, <f>)` instead
|
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LL - let _ = Some("prefix").map(|p| format!("{}.", p)).unwrap_or(id);
LL + let _ = Some("prefix").map_or(id, |p| format!("{}.", p));
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error: called `map(<f>).unwrap_or_else(<g>)` on an `Option` value
--> tests/ui/map_unwrap_or.rs:51:13
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LL | let _ = opt.map(|x| {
| _____________^
LL | | x + 1
LL | | }
LL | | ).unwrap_or_else(|| 0);
| |__________________________^
error: called `map(<f>).unwrap_or_else(<g>)` on an `Option` value
--> tests/ui/map_unwrap_or.rs:55:13
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LL | let _ = opt.map(|x| x + 1)
| _____________^
LL | | .unwrap_or_else(||
LL | | 0
LL | | );
| |_________^
error: called `map(<f>).unwrap_or(false)` on an `Option` value
--> tests/ui/map_unwrap_or.rs:61:13
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LL | let _ = opt.map(|x| x > 5).unwrap_or(false);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: use `is_some_and(<f>)` instead
|
LL - let _ = opt.map(|x| x > 5).unwrap_or(false);
LL + let _ = opt.is_some_and(|x| x > 5);
|
error: called `map(<f>).unwrap_or_else(<g>)` on a `Result` value
--> tests/ui/map_unwrap_or.rs:71:13
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LL | let _ = res.map(|x| {
| _____________^
LL | | x + 1
LL | | }
LL | | ).unwrap_or_else(|_e| 0);
| |____________________________^
error: called `map(<f>).unwrap_or_else(<g>)` on a `Result` value
--> tests/ui/map_unwrap_or.rs:75:13
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LL | let _ = res.map(|x| x + 1)
| _____________^
LL | | .unwrap_or_else(|_e| {
LL | | 0
LL | | });
| |__________^
error: called `map(<f>).unwrap_or_else(<g>)` on a `Result` value
--> tests/ui/map_unwrap_or.rs:99:13
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LL | let _ = res.map(|x| x + 1).unwrap_or_else(|_e| 0);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `res.map_or_else(|_e| 0, |x| x + 1)`
error: called `map(<f>).unwrap_or(<a>)` on an `Option` value
--> tests/ui/map_unwrap_or.rs:106:13
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LL | let _ = opt.map(|x| x > 5).unwrap_or(false);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: use `map_or(<a>, <f>)` instead
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LL - let _ = opt.map(|x| x > 5).unwrap_or(false);
LL + let _ = opt.map_or(false, |x| x > 5);
|
error: called `map(<f>).unwrap_or(false)` on an `Option` value
--> tests/ui/map_unwrap_or.rs:113:13
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LL | let _ = opt.map(|x| x > 5).unwrap_or(false);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: use `is_some_and(<f>)` instead
|
LL - let _ = opt.map(|x| x > 5).unwrap_or(false);
LL + let _ = opt.is_some_and(|x| x > 5);
|
error: aborting due to 15 previous errors