error: called `map(f)` on an `Option` value where `f` is a function that returns the unit type `()` --> tests/ui/option_map_unit_fn_fixable.rs:37:5 | LL | x.field.map(do_nothing); | ^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try: `if let Some(x_field) = x.field { do_nothing(x_field) }` | = note: `-D clippy::option-map-unit-fn` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::option_map_unit_fn)]` error: called `map(f)` on an `Option` value where `f` is a function that returns the unit type `()` --> tests/ui/option_map_unit_fn_fixable.rs:39:5 | LL | x.field.map(do_nothing); | ^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try: `if let Some(x_field) = x.field { do_nothing(x_field) }` error: called `map(f)` on an `Option` value where `f` is a function that returns the unit type `()` --> tests/ui/option_map_unit_fn_fixable.rs:41:5 | LL | x.field.map(diverge); | ^^^^^^^^^^^^^^^^^^^^- | | | help: try: `if let Some(x_field) = x.field { diverge(x_field) }` error: called `map(f)` on an `Option` value where `f` is a closure that returns the unit type `()` --> tests/ui/option_map_unit_fn_fixable.rs:47:5 | LL | x.field.map(|value| x.do_option_nothing(value + captured)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try: `if let Some(value) = x.field { x.do_option_nothing(value + captured) }` error: called `map(f)` on an `Option` value where `f` is a closure that returns the unit type `()` --> tests/ui/option_map_unit_fn_fixable.rs:49:5 | LL | x.field.map(|value| { x.do_option_plus_one(value + captured); }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try: `if let Some(value) = x.field { x.do_option_plus_one(value + captured); }` error: called `map(f)` on an `Option` value where `f` is a closure that returns the unit type `()` --> tests/ui/option_map_unit_fn_fixable.rs:52:5 | LL | x.field.map(|value| do_nothing(value + captured)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try: `if let Some(value) = x.field { do_nothing(value + captured) }` error: called `map(f)` on an `Option` value where `f` is a closure that returns the unit type `()` --> tests/ui/option_map_unit_fn_fixable.rs:54:5 | LL | x.field.map(|value| { do_nothing(value + captured) }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try: `if let Some(value) = x.field { do_nothing(value + captured) }` error: called `map(f)` on an `Option` value where `f` is a closure that returns the unit type `()` --> tests/ui/option_map_unit_fn_fixable.rs:56:5 | LL | x.field.map(|value| { do_nothing(value + captured); }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try: `if let Some(value) = x.field { do_nothing(value + captured); }` error: called `map(f)` on an `Option` value where `f` is a closure that returns the unit type `()` --> tests/ui/option_map_unit_fn_fixable.rs:58:5 | LL | x.field.map(|value| { { do_nothing(value + captured); } }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try: `if let Some(value) = x.field { do_nothing(value + captured); }` error: called `map(f)` on an `Option` value where `f` is a closure that returns the unit type `()` --> tests/ui/option_map_unit_fn_fixable.rs:61:5 | LL | x.field.map(|value| diverge(value + captured)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try: `if let Some(value) = x.field { diverge(value + captured) }` error: called `map(f)` on an `Option` value where `f` is a closure that returns the unit type `()` --> tests/ui/option_map_unit_fn_fixable.rs:63:5 | LL | x.field.map(|value| { diverge(value + captured) }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try: `if let Some(value) = x.field { diverge(value + captured) }` error: called `map(f)` on an `Option` value where `f` is a closure that returns the unit type `()` --> tests/ui/option_map_unit_fn_fixable.rs:65:5 | LL | x.field.map(|value| { diverge(value + captured); }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try: `if let Some(value) = x.field { diverge(value + captured); }` error: called `map(f)` on an `Option` value where `f` is a closure that returns the unit type `()` --> tests/ui/option_map_unit_fn_fixable.rs:67:5 | LL | x.field.map(|value| { { diverge(value + captured); } }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try: `if let Some(value) = x.field { diverge(value + captured); }` error: called `map(f)` on an `Option` value where `f` is a closure that returns the unit type `()` --> tests/ui/option_map_unit_fn_fixable.rs:72:5 | LL | x.field.map(|value| { let y = plus_one(value + captured); }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try: `if let Some(value) = x.field { let y = plus_one(value + captured); }` error: called `map(f)` on an `Option` value where `f` is a closure that returns the unit type `()` --> tests/ui/option_map_unit_fn_fixable.rs:74:5 | LL | x.field.map(|value| { plus_one(value + captured); }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try: `if let Some(value) = x.field { plus_one(value + captured); }` error: called `map(f)` on an `Option` value where `f` is a closure that returns the unit type `()` --> tests/ui/option_map_unit_fn_fixable.rs:76:5 | LL | x.field.map(|value| { { plus_one(value + captured); } }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try: `if let Some(value) = x.field { plus_one(value + captured); }` error: called `map(f)` on an `Option` value where `f` is a closure that returns the unit type `()` --> tests/ui/option_map_unit_fn_fixable.rs:79:5 | LL | x.field.map(|ref value| { do_nothing(value + captured) }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try: `if let Some(ref value) = x.field { do_nothing(value + captured) }` error: called `map(f)` on an `Option` value where `f` is a function that returns the unit type `()` --> tests/ui/option_map_unit_fn_fixable.rs:81:5 | LL | option().map(do_nothing); | ^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try: `if let Some(a) = option() { do_nothing(a) }` error: called `map(f)` on an `Option` value where `f` is a closure that returns the unit type `()` --> tests/ui/option_map_unit_fn_fixable.rs:83:5 | LL | option().map(|value| println!("{:?}", value)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try: `if let Some(value) = option() { println!("{:?}", value) }` error: aborting due to 19 previous errors