rust-clippy/tests/ui/option_map_or_none.stderr
2024-01-20 16:47:08 +01:00

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error: called `map_or(None, ..)` on an `Option` value
--> $DIR/option_map_or_none.rs:10:26
|
LL | let _: Option<i32> = opt.map_or(None, |x| Some(x + 1));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `map`: `opt.map(|x| x + 1)`
|
= note: `-D clippy::option-map-or-none` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::option_map_or_none)]`
error: called `map_or(None, ..)` on an `Option` value
--> $DIR/option_map_or_none.rs:13:26
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LL | let _: Option<i32> = opt.map_or(None, |x| {
| __________________________^
LL | | Some(x + 1)
LL | | });
| |_________________________^ help: consider using `map`: `opt.map(|x| x + 1)`
error: called `map_or(None, ..)` on an `Option` value
--> $DIR/option_map_or_none.rs:17:26
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LL | let _: Option<i32> = opt.map_or(None, bar);
| ^^^^^^^^^^^^^^^^^^^^^ help: consider using `and_then`: `opt.and_then(bar)`
error: called `map_or(None, ..)` on an `Option` value
--> $DIR/option_map_or_none.rs:18:26
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LL | let _: Option<i32> = opt.map_or(None, |x| {
| __________________________^
LL | | let offset = 0;
LL | | let height = x;
LL | | Some(offset + height)
LL | | });
| |______^
|
help: consider using `and_then`
|
LL ~ let _: Option<i32> = opt.and_then(|x| {
LL + let offset = 0;
LL + let height = x;
LL + Some(offset + height)
LL ~ });
|
error: called `map_or(None, Some)` on a `Result` value
--> $DIR/option_map_or_none.rs:25:26
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LL | let _: Option<i32> = r.map_or(None, Some);
| ^^^^^^^^^^^^^^^^^^^^ help: consider using `ok`: `r.ok()`
|
= note: `-D clippy::result-map-or-into-option` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::result_map_or_into_option)]`
error: aborting due to 5 previous errors