rust-clippy/tests/ui/unnecessary_lazy_eval.stderr

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:83:13
   |
LL |     let _ = opt.unwrap_or_else(|| 2);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `-D clippy::unnecessary-lazy-evaluations` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::unnecessary_lazy_evaluations)]`
help: use `unwrap_or` instead
   |
LL |     let _ = opt.unwrap_or(2);
   |                 ~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:84:13
   |
LL |     let _ = opt.unwrap_or_else(|| astronomers_pi);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `unwrap_or` instead
   |
LL |     let _ = opt.unwrap_or(astronomers_pi);
   |                 ~~~~~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:85:13
   |
LL |     let _ = opt.unwrap_or_else(|| ext_str.some_field);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `unwrap_or` instead
   |
LL |     let _ = opt.unwrap_or(ext_str.some_field);
   |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:87:13
   |
LL |     let _ = opt.and_then(|_| ext_opt);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `and` instead
   |
LL |     let _ = opt.and(ext_opt);
   |                 ~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:88:13
   |
LL |     let _ = opt.or_else(|| ext_opt);
   |             ^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `or` instead
   |
LL |     let _ = opt.or(ext_opt);
   |                 ~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:89:13
   |
LL |     let _ = opt.or_else(|| None);
   |             ^^^^^^^^^^^^^^^^^^^^
   |
help: use `or` instead
   |
LL |     let _ = opt.or(None);
   |                 ~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:90:13
   |
LL |     let _ = opt.get_or_insert_with(|| 2);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `get_or_insert` instead
   |
LL |     let _ = opt.get_or_insert(2);
   |                 ~~~~~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:91:13
   |
LL |     let _ = opt.ok_or_else(|| 2);
   |             ^^^^^^^^^^^^^^^^^^^^
   |
help: use `ok_or` instead
   |
LL |     let _ = opt.ok_or(2);
   |                 ~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:92:13
   |
LL |     let _ = nested_tuple_opt.unwrap_or_else(|| Some((1, 2)));
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `unwrap_or` instead
   |
LL |     let _ = nested_tuple_opt.unwrap_or(Some((1, 2)));
   |                              ~~~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:93:13
   |
LL |     let _ = cond.then(|| astronomers_pi);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _ = cond.then_some(astronomers_pi);
   |                  ~~~~~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:94:13
   |
LL |     let _ = true.then(|| -> _ {});
   |             ^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _ = true.then_some({});
   |                  ~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:95:13
   |
LL |     let _ = true.then(|| {});
   |             ^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _ = true.then_some({});
   |                  ~~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:99:13
   |
LL |     let _ = Some(1).unwrap_or_else(|| *r);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `unwrap_or` instead
   |
LL |     let _ = Some(1).unwrap_or(*r);
   |                     ~~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:101:13
   |
LL |     let _ = Some(1).unwrap_or_else(|| *b);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `unwrap_or` instead
   |
LL |     let _ = Some(1).unwrap_or(*b);
   |                     ~~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:103:13
   |
LL |     let _ = Some(1).as_ref().unwrap_or_else(|| &r);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `unwrap_or` instead
   |
LL |     let _ = Some(1).as_ref().unwrap_or(&r);
   |                              ~~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:104:13
   |
LL |     let _ = Some(1).as_ref().unwrap_or_else(|| &b);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `unwrap_or` instead
   |
LL |     let _ = Some(1).as_ref().unwrap_or(&b);
   |                              ~~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:107:13
   |
LL |     let _ = Some(10).unwrap_or_else(|| 2);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `unwrap_or` instead
   |
LL |     let _ = Some(10).unwrap_or(2);
   |                      ~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:108:13
   |
LL |     let _ = Some(10).and_then(|_| ext_opt);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `and` instead
   |
LL |     let _ = Some(10).and(ext_opt);
   |                      ~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:109:28
   |
LL |     let _: Option<usize> = None.or_else(|| ext_opt);
   |                            ^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `or` instead
   |
LL |     let _: Option<usize> = None.or(ext_opt);
   |                                 ~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:110:13
   |
LL |     let _ = None.get_or_insert_with(|| 2);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `get_or_insert` instead
   |
LL |     let _ = None.get_or_insert(2);
   |                  ~~~~~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:111:35
   |
LL |     let _: Result<usize, usize> = None.ok_or_else(|| 2);
   |                                   ^^^^^^^^^^^^^^^^^^^^^
   |
help: use `ok_or` instead
   |
LL |     let _: Result<usize, usize> = None.ok_or(2);
   |                                        ~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:112:28
   |
LL |     let _: Option<usize> = None.or_else(|| None);
   |                            ^^^^^^^^^^^^^^^^^^^^^
   |
help: use `or` instead
   |
LL |     let _: Option<usize> = None.or(None);
   |                                 ~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:115:13
   |
LL |     let _ = deep.0.unwrap_or_else(|| 2);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `unwrap_or` instead
   |
LL |     let _ = deep.0.unwrap_or(2);
   |                    ~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:116:13
   |
LL |     let _ = deep.0.and_then(|_| ext_opt);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `and` instead
   |
LL |     let _ = deep.0.and(ext_opt);
   |                    ~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:117:13
   |
LL |     let _ = deep.0.or_else(|| None);
   |             ^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `or` instead
   |
LL |     let _ = deep.0.or(None);
   |                    ~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:118:13
   |
LL |     let _ = deep.0.get_or_insert_with(|| 2);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `get_or_insert` instead
   |
LL |     let _ = deep.0.get_or_insert(2);
   |                    ~~~~~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:119:13
   |
LL |     let _ = deep.0.ok_or_else(|| 2);
   |             ^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `ok_or` instead
   |
LL |     let _ = deep.0.ok_or(2);
   |                    ~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:150:28
   |
LL |     let _: Option<usize> = None.or_else(|| Some(3));
   |                            ^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `or` instead
   |
LL |     let _: Option<usize> = None.or(Some(3));
   |                                 ~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:151:13
   |
LL |     let _ = deep.0.or_else(|| Some(3));
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `or` instead
   |
LL |     let _ = deep.0.or(Some(3));
   |                    ~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Option::None`
  --> tests/ui/unnecessary_lazy_eval.rs:152:13
   |
LL |     let _ = opt.or_else(|| Some(3));
   |             ^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `or` instead
   |
LL |     let _ = opt.or(Some(3));
   |                 ~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Result::Err`
  --> tests/ui/unnecessary_lazy_eval.rs:158:13
   |
LL |     let _ = res2.unwrap_or_else(|_| 2);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `unwrap_or` instead
   |
LL |     let _ = res2.unwrap_or(2);
   |                  ~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Result::Err`
  --> tests/ui/unnecessary_lazy_eval.rs:159:13
   |
LL |     let _ = res2.unwrap_or_else(|_| astronomers_pi);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `unwrap_or` instead
   |
LL |     let _ = res2.unwrap_or(astronomers_pi);
   |                  ~~~~~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Result::Err`
  --> tests/ui/unnecessary_lazy_eval.rs:160:13
   |
LL |     let _ = res2.unwrap_or_else(|_| ext_str.some_field);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `unwrap_or` instead
   |
LL |     let _ = res2.unwrap_or(ext_str.some_field);
   |                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Result::Err`
  --> tests/ui/unnecessary_lazy_eval.rs:182:35
   |
LL |     let _: Result<usize, usize> = res.and_then(|_| Err(2));
   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `and` instead
   |
LL |     let _: Result<usize, usize> = res.and(Err(2));
   |                                       ~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Result::Err`
  --> tests/ui/unnecessary_lazy_eval.rs:183:35
   |
LL |     let _: Result<usize, usize> = res.and_then(|_| Err(astronomers_pi));
   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `and` instead
   |
LL |     let _: Result<usize, usize> = res.and(Err(astronomers_pi));
   |                                       ~~~~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Result::Err`
  --> tests/ui/unnecessary_lazy_eval.rs:184:35
   |
LL |     let _: Result<usize, usize> = res.and_then(|_| Err(ext_str.some_field));
   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `and` instead
   |
LL |     let _: Result<usize, usize> = res.and(Err(ext_str.some_field));
   |                                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Result::Err`
  --> tests/ui/unnecessary_lazy_eval.rs:186:35
   |
LL |     let _: Result<usize, usize> = res.or_else(|_| Ok(2));
   |                                   ^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `or` instead
   |
LL |     let _: Result<usize, usize> = res.or(Ok(2));
   |                                       ~~~~~~~~~

error: unnecessary closure used to substitute value for `Result::Err`
  --> tests/ui/unnecessary_lazy_eval.rs:187:35
   |
LL |     let _: Result<usize, usize> = res.or_else(|_| Ok(astronomers_pi));
   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `or` instead
   |
LL |     let _: Result<usize, usize> = res.or(Ok(astronomers_pi));
   |                                       ~~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Result::Err`
  --> tests/ui/unnecessary_lazy_eval.rs:188:35
   |
LL |     let _: Result<usize, usize> = res.or_else(|_| Ok(ext_str.some_field));
   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `or` instead
   |
LL |     let _: Result<usize, usize> = res.or(Ok(ext_str.some_field));
   |                                       ~~~~~~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used to substitute value for `Result::Err`
  --> tests/ui/unnecessary_lazy_eval.rs:189:35
   |
LL |       let _: Result<usize, usize> = res.
   |  ___________________________________^
LL | |     // some lines
LL | |     // some lines
LL | |     // some lines
...  |
LL | |     // some lines
LL | |     or_else(|_| Ok(ext_str.some_field));
   | |_______________________________________^
   |
help: use `or` instead
   |
LL |     or(Ok(ext_str.some_field));
   |     ~~~~~~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:219:14
   |
LL |     let _x = false.then(|| i32::MAX + 1);
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(i32::MAX + 1);
   |                    ~~~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:221:14
   |
LL |     let _x = false.then(|| i32::MAX * 2);
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(i32::MAX * 2);
   |                    ~~~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:223:14
   |
LL |     let _x = false.then(|| i32::MAX - 1);
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(i32::MAX - 1);
   |                    ~~~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:225:14
   |
LL |     let _x = false.then(|| i32::MIN - 1);
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(i32::MIN - 1);
   |                    ~~~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:227:14
   |
LL |     let _x = false.then(|| (1 + 2 * 3 - 2 / 3 + 9) << 2);
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some((1 + 2 * 3 - 2 / 3 + 9) << 2);
   |                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:229:14
   |
LL |     let _x = false.then(|| 255u8 << 7);
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(255u8 << 7);
   |                    ~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:231:14
   |
LL |     let _x = false.then(|| 255u8 << 8);
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(255u8 << 8);
   |                    ~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:233:14
   |
LL |     let _x = false.then(|| 255u8 >> 8);
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(255u8 >> 8);
   |                    ~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:236:14
   |
LL |     let _x = false.then(|| i32::MAX + -1);
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(i32::MAX + -1);
   |                    ~~~~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:238:14
   |
LL |     let _x = false.then(|| -i32::MAX);
   |              ^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(-i32::MAX);
   |                    ~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:240:14
   |
LL |     let _x = false.then(|| -i32::MIN);
   |              ^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(-i32::MIN);
   |                    ~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:243:14
   |
LL |     let _x = false.then(|| 255 >> -7);
   |              ^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(255 >> -7);
   |                    ~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:245:14
   |
LL |     let _x = false.then(|| 255 << -1);
   |              ^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(255 << -1);
   |                    ~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:247:14
   |
LL |     let _x = false.then(|| 1 / 0);
   |              ^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(1 / 0);
   |                    ~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:249:14
   |
LL |     let _x = false.then(|| x << -1);
   |              ^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(x << -1);
   |                    ~~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:251:14
   |
LL |     let _x = false.then(|| x << 2);
   |              ^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(x << 2);
   |                    ~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:261:14
   |
LL |     let _x = false.then(|| x / 0);
   |              ^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(x / 0);
   |                    ~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:263:14
   |
LL |     let _x = false.then(|| x % 0);
   |              ^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(x % 0);
   |                    ~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:266:14
   |
LL |     let _x = false.then(|| 1 / -1);
   |              ^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(1 / -1);
   |                    ~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:268:14
   |
LL |     let _x = false.then(|| i32::MIN / -1);
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(i32::MIN / -1);
   |                    ~~~~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:271:14
   |
LL |     let _x = false.then(|| i32::MIN / 0);
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(i32::MIN / 0);
   |                    ~~~~~~~~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:273:14
   |
LL |     let _x = false.then(|| 4 / 2);
   |              ^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(4 / 2);
   |                    ~~~~~~~~~~~~~~~~

error: unnecessary closure used with `bool::then`
  --> tests/ui/unnecessary_lazy_eval.rs:281:14
   |
LL |     let _x = false.then(|| f1 + f2);
   |              ^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `then_some` instead
   |
LL |     let _x = false.then_some(f1 + f2);
   |                    ~~~~~~~~~~~~~~~~~~

error: aborting due to 63 previous errors