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rust-clippy/tests/ui/unnecessary_lazy_eval.stderr

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error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:35:13
|
LL | let _ = opt.unwrap_or_else(|| 2);
| ^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `unwrap_or` instead: `opt.unwrap_or(2)`
|
= note: `-D clippy::unnecessary-lazy-evaluations` implied by `-D warnings`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:36:13
|
LL | let _ = opt.unwrap_or_else(|| astronomers_pi);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `unwrap_or` instead: `opt.unwrap_or(astronomers_pi)`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:37:13
|
LL | let _ = opt.unwrap_or_else(|| ext_str.some_field);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `unwrap_or` instead: `opt.unwrap_or(ext_str.some_field)`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:39:13
|
LL | let _ = opt.and_then(|_| ext_opt);
| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `and` instead: `opt.and(ext_opt)`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:40:13
|
LL | let _ = opt.or_else(|| ext_opt);
| ^^^^^^^^^^^^^^^^^^^^^^^ help: Use `or` instead: `opt.or(ext_opt)`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:41:13
|
LL | let _ = opt.or_else(|| None);
| ^^^^^^^^^^^^^^^^^^^^ help: Use `or` instead: `opt.or(None)`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:42:13
|
LL | let _ = opt.get_or_insert_with(|| 2);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `get_or_insert` instead: `opt.get_or_insert(2)`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:43:13
|
LL | let _ = opt.ok_or_else(|| 2);
| ^^^^^^^^^^^^^^^^^^^^ help: Use `ok_or` instead: `opt.ok_or(2)`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:44:13
|
LL | let _ = nested_tuple_opt.unwrap_or_else(|| Some((1, 2)));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `unwrap_or` instead: `nested_tuple_opt.unwrap_or(Some((1, 2)))`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:47:13
|
LL | let _ = Some(10).unwrap_or_else(|| 2);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `unwrap_or` instead: `Some(10).unwrap_or(2)`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:48:13
|
LL | let _ = Some(10).and_then(|_| ext_opt);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `and` instead: `Some(10).and(ext_opt)`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:49:28
|
LL | let _: Option<usize> = None.or_else(|| ext_opt);
| ^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `or` instead: `None.or(ext_opt)`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:50:13
|
LL | let _ = None.get_or_insert_with(|| 2);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `get_or_insert` instead: `None.get_or_insert(2)`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:51:35
|
LL | let _: Result<usize, usize> = None.ok_or_else(|| 2);
| ^^^^^^^^^^^^^^^^^^^^^ help: Use `ok_or` instead: `None.ok_or(2)`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:52:28
|
LL | let _: Option<usize> = None.or_else(|| None);
| ^^^^^^^^^^^^^^^^^^^^^ help: Use `or` instead: `None.or(None)`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:55:13
|
LL | let _ = deep.0.unwrap_or_else(|| 2);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `unwrap_or` instead: `deep.0.unwrap_or(2)`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:56:13
|
LL | let _ = deep.0.and_then(|_| ext_opt);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `and` instead: `deep.0.and(ext_opt)`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:57:13
|
LL | let _ = deep.0.or_else(|| None);
| ^^^^^^^^^^^^^^^^^^^^^^^ help: Use `or` instead: `deep.0.or(None)`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:58:13
|
LL | let _ = deep.0.get_or_insert_with(|| 2);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `get_or_insert` instead: `deep.0.get_or_insert(2)`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:59:13
|
LL | let _ = deep.0.ok_or_else(|| 2);
| ^^^^^^^^^^^^^^^^^^^^^^^ help: Use `ok_or` instead: `deep.0.ok_or(2)`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:79:28
|
LL | let _: Option<usize> = None.or_else(|| Some(3));
| ^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `or` instead: `None.or(Some(3))`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:80:13
|
LL | let _ = deep.0.or_else(|| Some(3));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `or` instead: `deep.0.or(Some(3))`
error: unnecessary closure used to substitute value for `Option::None`
--> $DIR/unnecessary_lazy_eval.rs:81:13
|
LL | let _ = opt.or_else(|| Some(3));
| ^^^^^^^^^^^^^^^^^^^^^^^ help: Use `or` instead: `opt.or(Some(3))`
error: unnecessary closure used to substitute value for `Result::Err`
--> $DIR/unnecessary_lazy_eval.rs:87:13
|
LL | let _ = res2.unwrap_or_else(|_| 2);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `unwrap_or` instead: `res2.unwrap_or(2)`
error: unnecessary closure used to substitute value for `Result::Err`
--> $DIR/unnecessary_lazy_eval.rs:88:13
|
LL | let _ = res2.unwrap_or_else(|_| astronomers_pi);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `unwrap_or` instead: `res2.unwrap_or(astronomers_pi)`
error: unnecessary closure used to substitute value for `Result::Err`
--> $DIR/unnecessary_lazy_eval.rs:89:13
|
LL | let _ = res2.unwrap_or_else(|_| ext_str.some_field);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `unwrap_or` instead: `res2.unwrap_or(ext_str.some_field)`
error: unnecessary closure used to substitute value for `Result::Err`
--> $DIR/unnecessary_lazy_eval.rs:111:35
|
LL | let _: Result<usize, usize> = res.and_then(|_| Err(2));
| ^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `and` instead: `res.and(Err(2))`
error: unnecessary closure used to substitute value for `Result::Err`
--> $DIR/unnecessary_lazy_eval.rs:112:35
|
LL | let _: Result<usize, usize> = res.and_then(|_| Err(astronomers_pi));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `and` instead: `res.and(Err(astronomers_pi))`
error: unnecessary closure used to substitute value for `Result::Err`
--> $DIR/unnecessary_lazy_eval.rs:113:35
|
LL | let _: Result<usize, usize> = res.and_then(|_| Err(ext_str.some_field));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `and` instead: `res.and(Err(ext_str.some_field))`
error: unnecessary closure used to substitute value for `Result::Err`
--> $DIR/unnecessary_lazy_eval.rs:115:35
|
LL | let _: Result<usize, usize> = res.or_else(|_| Ok(2));
| ^^^^^^^^^^^^^^^^^^^^^^ help: Use `or` instead: `res.or(Ok(2))`
error: unnecessary closure used to substitute value for `Result::Err`
--> $DIR/unnecessary_lazy_eval.rs:116:35
|
LL | let _: Result<usize, usize> = res.or_else(|_| Ok(astronomers_pi));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `or` instead: `res.or(Ok(astronomers_pi))`
error: unnecessary closure used to substitute value for `Result::Err`
--> $DIR/unnecessary_lazy_eval.rs:117:35
|
LL | let _: Result<usize, usize> = res.or_else(|_| Ok(ext_str.some_field));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Use `or` instead: `res.or(Ok(ext_str.some_field))`
error: aborting due to 32 previous errors