rust/tests/ui/map_unwrap_or.stderr

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error: called `map(<f>).unwrap_or(<a>)` on an `Option` value. This can be done more directly by calling `map_or(<a>, <f>)` instead
--> $DIR/map_unwrap_or.rs:16:13
|
LL | let _ = opt.map(|x| {
| _____________^
LL | | x + 1
LL | | }
LL | | ).unwrap_or(0);
| |__________________^
|
= note: `-D clippy::map-unwrap-or` implied by `-D warnings`
help: use `map_or(<a>, <f>)` instead
|
LL | let _ = opt.map_or(0, |x| {
LL | x + 1
LL | }
LL | );
|
error: called `map(<f>).unwrap_or(<a>)` on an `Option` value. This can be done more directly by calling `map_or(<a>, <f>)` instead
--> $DIR/map_unwrap_or.rs:20:13
|
LL | let _ = opt.map(|x| x + 1)
| _____________^
LL | | .unwrap_or({
LL | | 0
LL | | });
| |__________^
|
help: use `map_or(<a>, <f>)` instead
|
LL | let _ = opt.map_or({
LL | 0
LL | }, |x| x + 1);
|
error: called `map(<f>).unwrap_or(None)` on an `Option` value. This can be done more directly by calling `and_then(<f>)` instead
--> $DIR/map_unwrap_or.rs:25:13
|
LL | let _ = opt.map(|x| Some(x + 1)).unwrap_or(None);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: use `and_then(<f>)` instead
|
LL | let _ = opt.and_then(|x| Some(x + 1));
| ^^^^^^^^ --
error: called `map(<f>).unwrap_or(None)` on an `Option` value. This can be done more directly by calling `and_then(<f>)` instead
--> $DIR/map_unwrap_or.rs:27:13
|
LL | let _ = opt.map(|x| {
| _____________^
LL | | Some(x + 1)
LL | | }
LL | | ).unwrap_or(None);
| |_____________________^
|
help: use `and_then(<f>)` instead
|
LL | let _ = opt.and_then(|x| {
LL | Some(x + 1)
LL | }
LL | );
|
error: called `map(<f>).unwrap_or(None)` on an `Option` value. This can be done more directly by calling `and_then(<f>)` instead
--> $DIR/map_unwrap_or.rs:31:13
|
LL | let _ = opt
| _____________^
LL | | .map(|x| Some(x + 1))
LL | | .unwrap_or(None);
| |________________________^
|
help: use `and_then(<f>)` instead
|
LL | .and_then(|x| Some(x + 1));
| ^^^^^^^^ --
error: called `map(<f>).unwrap_or(<a>)` on an `Option` value. This can be done more directly by calling `map_or(<a>, <f>)` instead
--> $DIR/map_unwrap_or.rs:42:13
|
LL | let _ = Some("prefix").map(|p| format!("{}.", p)).unwrap_or(id);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: use `map_or(<a>, <f>)` instead
|
LL | let _ = Some("prefix").map_or(id, |p| format!("{}.", p));
| ^^^^^^ ^^^ --
error: called `map(<f>).unwrap_or_else(<g>)` on an `Option` value. This can be done more directly by calling `map_or_else(<g>, <f>)` instead
--> $DIR/map_unwrap_or.rs:46:13
|
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. This can be done more directly by calling `map_or_else(<g>, <f>)` instead
--> $DIR/map_unwrap_or.rs:50:13
|
LL | let _ = opt.map(|x| x + 1)
| _____________^
LL | | .unwrap_or_else(||
LL | | 0
LL | | );
| |_________^
error: aborting due to 8 previous errors