error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:71:13 | LL | let _ = opt.unwrap_or_else(|| 2); | ^^^^-------------------- | | | help: use `unwrap_or(..)` instead: `unwrap_or(2)` | = note: `-D clippy::unnecessary-lazy-evaluations` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::unnecessary_lazy_evaluations)]` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:72:13 | LL | let _ = opt.unwrap_or_else(|| astronomers_pi); | ^^^^--------------------------------- | | | help: use `unwrap_or(..)` instead: `unwrap_or(astronomers_pi)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:73:13 | LL | let _ = opt.unwrap_or_else(|| ext_str.some_field); | ^^^^------------------------------------- | | | help: use `unwrap_or(..)` instead: `unwrap_or(ext_str.some_field)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:75:13 | LL | let _ = opt.and_then(|_| ext_opt); | ^^^^--------------------- | | | help: use `and(..)` instead: `and(ext_opt)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:76:13 | LL | let _ = opt.or_else(|| ext_opt); | ^^^^------------------- | | | help: use `or(..)` instead: `or(ext_opt)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:77:13 | LL | let _ = opt.or_else(|| None); | ^^^^---------------- | | | help: use `or(..)` instead: `or(None)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:78:13 | LL | let _ = opt.get_or_insert_with(|| 2); | ^^^^------------------------ | | | help: use `get_or_insert(..)` instead: `get_or_insert(2)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:79:13 | LL | let _ = opt.ok_or_else(|| 2); | ^^^^---------------- | | | help: use `ok_or(..)` instead: `ok_or(2)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:80:13 | LL | let _ = nested_tuple_opt.unwrap_or_else(|| Some((1, 2))); | ^^^^^^^^^^^^^^^^^------------------------------- | | | help: use `unwrap_or(..)` instead: `unwrap_or(Some((1, 2)))` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:81:13 | LL | let _ = cond.then(|| astronomers_pi); | ^^^^^----------------------- | | | help: use `then_some(..)` instead: `then_some(astronomers_pi)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:82:13 | LL | let _ = true.then(|| -> _ {}); | ^^^^^---------------- | | | help: use `then_some(..)` instead: `then_some({})` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:83:13 | LL | let _ = true.then(|| {}); | ^^^^^----------- | | | help: use `then_some(..)` instead: `then_some({})` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:87:13 | LL | let _ = Some(1).unwrap_or_else(|| *r); | ^^^^^^^^--------------------- | | | help: use `unwrap_or(..)` instead: `unwrap_or(*r)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:89:13 | LL | let _ = Some(1).unwrap_or_else(|| *b); | ^^^^^^^^--------------------- | | | help: use `unwrap_or(..)` instead: `unwrap_or(*b)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:91:13 | LL | let _ = Some(1).as_ref().unwrap_or_else(|| &r); | ^^^^^^^^^^^^^^^^^--------------------- | | | help: use `unwrap_or(..)` instead: `unwrap_or(&r)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:92:13 | LL | let _ = Some(1).as_ref().unwrap_or_else(|| &b); | ^^^^^^^^^^^^^^^^^--------------------- | | | help: use `unwrap_or(..)` instead: `unwrap_or(&b)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:95:13 | LL | let _ = Some(10).unwrap_or_else(|| 2); | ^^^^^^^^^-------------------- | | | help: use `unwrap_or(..)` instead: `unwrap_or(2)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:96:13 | LL | let _ = Some(10).and_then(|_| ext_opt); | ^^^^^^^^^--------------------- | | | help: use `and(..)` instead: `and(ext_opt)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:97:28 | LL | let _: Option = None.or_else(|| ext_opt); | ^^^^^------------------- | | | help: use `or(..)` instead: `or(ext_opt)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:98:13 | LL | let _ = None.get_or_insert_with(|| 2); | ^^^^^------------------------ | | | help: use `get_or_insert(..)` instead: `get_or_insert(2)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:99:35 | LL | let _: Result = None.ok_or_else(|| 2); | ^^^^^---------------- | | | help: use `ok_or(..)` instead: `ok_or(2)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:100:28 | LL | let _: Option = None.or_else(|| None); | ^^^^^---------------- | | | help: use `or(..)` instead: `or(None)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:103:13 | LL | let _ = deep.0.unwrap_or_else(|| 2); | ^^^^^^^-------------------- | | | help: use `unwrap_or(..)` instead: `unwrap_or(2)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:104:13 | LL | let _ = deep.0.and_then(|_| ext_opt); | ^^^^^^^--------------------- | | | help: use `and(..)` instead: `and(ext_opt)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:105:13 | LL | let _ = deep.0.or_else(|| None); | ^^^^^^^---------------- | | | help: use `or(..)` instead: `or(None)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:106:13 | LL | let _ = deep.0.get_or_insert_with(|| 2); | ^^^^^^^------------------------ | | | help: use `get_or_insert(..)` instead: `get_or_insert(2)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:107:13 | LL | let _ = deep.0.ok_or_else(|| 2); | ^^^^^^^---------------- | | | help: use `ok_or(..)` instead: `ok_or(2)` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:137:28 | LL | let _: Option = None.or_else(|| Some(3)); | ^^^^^------------------- | | | help: use `or(..)` instead: `or(Some(3))` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:138:13 | LL | let _ = deep.0.or_else(|| Some(3)); | ^^^^^^^------------------- | | | help: use `or(..)` instead: `or(Some(3))` error: unnecessary closure used to substitute value for `Option::None` --> $DIR/unnecessary_lazy_eval.rs:139:13 | LL | let _ = opt.or_else(|| Some(3)); | ^^^^------------------- | | | help: use `or(..)` instead: `or(Some(3))` error: unnecessary closure used to substitute value for `Result::Err` --> $DIR/unnecessary_lazy_eval.rs:145:13 | LL | let _ = res2.unwrap_or_else(|_| 2); | ^^^^^--------------------- | | | help: use `unwrap_or(..)` instead: `unwrap_or(2)` error: unnecessary closure used to substitute value for `Result::Err` --> $DIR/unnecessary_lazy_eval.rs:146:13 | LL | let _ = res2.unwrap_or_else(|_| astronomers_pi); | ^^^^^---------------------------------- | | | help: use `unwrap_or(..)` instead: `unwrap_or(astronomers_pi)` error: unnecessary closure used to substitute value for `Result::Err` --> $DIR/unnecessary_lazy_eval.rs:147:13 | LL | let _ = res2.unwrap_or_else(|_| ext_str.some_field); | ^^^^^-------------------------------------- | | | help: use `unwrap_or(..)` instead: `unwrap_or(ext_str.some_field)` error: unnecessary closure used to substitute value for `Result::Err` --> $DIR/unnecessary_lazy_eval.rs:169:35 | LL | let _: Result = res.and_then(|_| Err(2)); | ^^^^-------------------- | | | help: use `and(..)` instead: `and(Err(2))` error: unnecessary closure used to substitute value for `Result::Err` --> $DIR/unnecessary_lazy_eval.rs:170:35 | LL | let _: Result = res.and_then(|_| Err(astronomers_pi)); | ^^^^--------------------------------- | | | help: use `and(..)` instead: `and(Err(astronomers_pi))` error: unnecessary closure used to substitute value for `Result::Err` --> $DIR/unnecessary_lazy_eval.rs:171:35 | LL | let _: Result = res.and_then(|_| Err(ext_str.some_field)); | ^^^^------------------------------------- | | | help: use `and(..)` instead: `and(Err(ext_str.some_field))` error: unnecessary closure used to substitute value for `Result::Err` --> $DIR/unnecessary_lazy_eval.rs:173:35 | LL | let _: Result = res.or_else(|_| Ok(2)); | ^^^^------------------ | | | help: use `or(..)` instead: `or(Ok(2))` error: unnecessary closure used to substitute value for `Result::Err` --> $DIR/unnecessary_lazy_eval.rs:174:35 | LL | let _: Result = res.or_else(|_| Ok(astronomers_pi)); | ^^^^------------------------------- | | | help: use `or(..)` instead: `or(Ok(astronomers_pi))` error: unnecessary closure used to substitute value for `Result::Err` --> $DIR/unnecessary_lazy_eval.rs:175:35 | LL | let _: Result = res.or_else(|_| Ok(ext_str.some_field)); | ^^^^----------------------------------- | | | help: use `or(..)` instead: `or(Ok(ext_str.some_field))` error: unnecessary closure used to substitute value for `Result::Err` --> $DIR/unnecessary_lazy_eval.rs:176:35 | LL | let _: Result = 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: `or(Ok(ext_str.some_field))` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:206:14 | LL | let _x = false.then(|| i32::MAX + 1); | ^^^^^^--------------------- | | | help: use `then_some(..)` instead: `then_some(i32::MAX + 1)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:208:14 | LL | let _x = false.then(|| i32::MAX * 2); | ^^^^^^--------------------- | | | help: use `then_some(..)` instead: `then_some(i32::MAX * 2)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:210:14 | LL | let _x = false.then(|| i32::MAX - 1); | ^^^^^^--------------------- | | | help: use `then_some(..)` instead: `then_some(i32::MAX - 1)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:212:14 | LL | let _x = false.then(|| i32::MIN - 1); | ^^^^^^--------------------- | | | help: use `then_some(..)` instead: `then_some(i32::MIN - 1)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:214:14 | LL | let _x = false.then(|| (1 + 2 * 3 - 2 / 3 + 9) << 2); | ^^^^^^------------------------------------- | | | help: use `then_some(..)` instead: `then_some((1 + 2 * 3 - 2 / 3 + 9) << 2)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:216:14 | LL | let _x = false.then(|| 255u8 << 7); | ^^^^^^------------------- | | | help: use `then_some(..)` instead: `then_some(255u8 << 7)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:218:14 | LL | let _x = false.then(|| 255u8 << 8); | ^^^^^^------------------- | | | help: use `then_some(..)` instead: `then_some(255u8 << 8)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:220:14 | LL | let _x = false.then(|| 255u8 >> 8); | ^^^^^^------------------- | | | help: use `then_some(..)` instead: `then_some(255u8 >> 8)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:223:14 | LL | let _x = false.then(|| i32::MAX + -1); | ^^^^^^---------------------- | | | help: use `then_some(..)` instead: `then_some(i32::MAX + -1)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:225:14 | LL | let _x = false.then(|| -i32::MAX); | ^^^^^^------------------ | | | help: use `then_some(..)` instead: `then_some(-i32::MAX)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:227:14 | LL | let _x = false.then(|| -i32::MIN); | ^^^^^^------------------ | | | help: use `then_some(..)` instead: `then_some(-i32::MIN)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:230:14 | LL | let _x = false.then(|| 255 >> -7); | ^^^^^^------------------ | | | help: use `then_some(..)` instead: `then_some(255 >> -7)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:232:14 | LL | let _x = false.then(|| 255 << -1); | ^^^^^^------------------ | | | help: use `then_some(..)` instead: `then_some(255 << -1)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:234:14 | LL | let _x = false.then(|| 1 / 0); | ^^^^^^-------------- | | | help: use `then_some(..)` instead: `then_some(1 / 0)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:236:14 | LL | let _x = false.then(|| x << -1); | ^^^^^^---------------- | | | help: use `then_some(..)` instead: `then_some(x << -1)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:238:14 | LL | let _x = false.then(|| x << 2); | ^^^^^^--------------- | | | help: use `then_some(..)` instead: `then_some(x << 2)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:248:14 | LL | let _x = false.then(|| x / 0); | ^^^^^^-------------- | | | help: use `then_some(..)` instead: `then_some(x / 0)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:250:14 | LL | let _x = false.then(|| x % 0); | ^^^^^^-------------- | | | help: use `then_some(..)` instead: `then_some(x % 0)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:253:14 | LL | let _x = false.then(|| 1 / -1); | ^^^^^^--------------- | | | help: use `then_some(..)` instead: `then_some(1 / -1)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:255:14 | LL | let _x = false.then(|| i32::MIN / -1); | ^^^^^^---------------------- | | | help: use `then_some(..)` instead: `then_some(i32::MIN / -1)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:258:14 | LL | let _x = false.then(|| i32::MIN / 0); | ^^^^^^--------------------- | | | help: use `then_some(..)` instead: `then_some(i32::MIN / 0)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:260:14 | LL | let _x = false.then(|| 4 / 2); | ^^^^^^-------------- | | | help: use `then_some(..)` instead: `then_some(4 / 2)` error: unnecessary closure used with `bool::then` --> $DIR/unnecessary_lazy_eval.rs:268:14 | LL | let _x = false.then(|| f1 + f2); | ^^^^^^---------------- | | | help: use `then_some(..)` instead: `then_some(f1 + f2)` error: aborting due to 63 previous errors