rust/tests/ui/option_map_unwrap_or.stderr
2019-12-28 23:24:45 +01:00

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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/option_map_unwrap_or.rs:20:13
|
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::option-map-unwrap-or` implied by `-D warnings`
help: use `map_or(a, f)` instead
|
LL | let _ = opt.map_or(0, |x| 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/option_map_unwrap_or.rs:24:13
|
LL | let _ = opt.map(|x| {
| _____________^
LL | | x + 1
LL | | }
LL | | ).unwrap_or(0);
| |__________________^
|
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/option_map_unwrap_or.rs:28:13
|
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/option_map_unwrap_or.rs:33:13
|
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/option_map_unwrap_or.rs:35:13
|
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/option_map_unwrap_or.rs:39:13
|
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/option_map_unwrap_or.rs:50:13
|
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/option_map_unwrap_or.rs:54:13
|
LL | let _ = opt.map(|x| x + 1)
| _____________^
LL | | // Should lint even though this call is on a separate line.
LL | | .unwrap_or_else(|| 0);
| |_____________________________^
|
= note: `-D clippy::option-map-unwrap-or-else` implied by `-D warnings`
= note: replace `map(|x| x + 1).unwrap_or_else(|| 0)` with `map_or_else(|| 0, |x| x + 1)`
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/option_map_unwrap_or.rs:58:13
|
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/option_map_unwrap_or.rs:62:13
|
LL | let _ = opt.map(|x| x + 1)
| _____________^
LL | | .unwrap_or_else(||
LL | | 0
LL | | );
| |_________^
error: aborting due to 10 previous errors