error: called `map(f)` on an Option value where `f` is a unit function --> $DIR/option_map_unit_fn.rs:32:5 | LL | x.field.map(do_nothing); | ^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(x_field) = x.field { do_nothing(...) }` | = note: `-D clippy::option-map-unit-fn` implied by `-D warnings` error: called `map(f)` on an Option value where `f` is a unit function --> $DIR/option_map_unit_fn.rs:34:5 | LL | x.field.map(do_nothing); | ^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(x_field) = x.field { do_nothing(...) }` error: called `map(f)` on an Option value where `f` is a unit function --> $DIR/option_map_unit_fn.rs:36:5 | LL | x.field.map(diverge); | ^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(x_field) = x.field { diverge(...) }` error: called `map(f)` on an Option value where `f` is a unit closure --> $DIR/option_map_unit_fn.rs:42:5 | LL | x.field.map(|value| x.do_option_nothing(value + captured)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(value) = x.field { x.do_option_nothing(value + captured) }` error: called `map(f)` on an Option value where `f` is a unit closure --> $DIR/option_map_unit_fn.rs:44:5 | LL | x.field.map(|value| { x.do_option_plus_one(value + captured); }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `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 unit closure --> $DIR/option_map_unit_fn.rs:47:5 | LL | x.field.map(|value| do_nothing(value + captured)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(value) = x.field { do_nothing(value + captured) }` error: called `map(f)` on an Option value where `f` is a unit closure --> $DIR/option_map_unit_fn.rs:49:5 | LL | x.field.map(|value| { do_nothing(value + captured) }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(value) = x.field { do_nothing(value + captured) }` error: called `map(f)` on an Option value where `f` is a unit closure --> $DIR/option_map_unit_fn.rs:51:5 | LL | x.field.map(|value| { do_nothing(value + captured); }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(value) = x.field { do_nothing(value + captured); }` error: called `map(f)` on an Option value where `f` is a unit closure --> $DIR/option_map_unit_fn.rs:53:5 | LL | x.field.map(|value| { { do_nothing(value + captured); } }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(value) = x.field { do_nothing(value + captured); }` error: called `map(f)` on an Option value where `f` is a unit closure --> $DIR/option_map_unit_fn.rs:56:5 | LL | x.field.map(|value| diverge(value + captured)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(value) = x.field { diverge(value + captured) }` error: called `map(f)` on an Option value where `f` is a unit closure --> $DIR/option_map_unit_fn.rs:58:5 | LL | x.field.map(|value| { diverge(value + captured) }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(value) = x.field { diverge(value + captured) }` error: called `map(f)` on an Option value where `f` is a unit closure --> $DIR/option_map_unit_fn.rs:60:5 | LL | x.field.map(|value| { diverge(value + captured); }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(value) = x.field { diverge(value + captured); }` error: called `map(f)` on an Option value where `f` is a unit closure --> $DIR/option_map_unit_fn.rs:62:5 | LL | x.field.map(|value| { { diverge(value + captured); } }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(value) = x.field { diverge(value + captured); }` error: called `map(f)` on an Option value where `f` is a unit closure --> $DIR/option_map_unit_fn.rs:67:5 | LL | x.field.map(|value| { let y = plus_one(value + captured); }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(value) = x.field { let y = plus_one(value + captured); }` error: called `map(f)` on an Option value where `f` is a unit closure --> $DIR/option_map_unit_fn.rs:69:5 | LL | x.field.map(|value| { plus_one(value + captured); }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(value) = x.field { plus_one(value + captured); }` error: called `map(f)` on an Option value where `f` is a unit closure --> $DIR/option_map_unit_fn.rs:71:5 | LL | x.field.map(|value| { { plus_one(value + captured); } }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(value) = x.field { plus_one(value + captured); }` error: called `map(f)` on an Option value where `f` is a unit closure --> $DIR/option_map_unit_fn.rs:74:5 | LL | x.field.map(|ref value| { do_nothing(value + captured) }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(ref value) = x.field { do_nothing(value + captured) }` error: called `map(f)` on an Option value where `f` is a unit closure --> $DIR/option_map_unit_fn.rs:77:5 | LL | x.field.map(|value| { do_nothing(value); do_nothing(value) }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(value) = x.field { ... }` error: called `map(f)` on an Option value where `f` is a unit closure --> $DIR/option_map_unit_fn.rs:79:5 | LL | x.field.map(|value| if value > 0 { do_nothing(value); do_nothing(value) }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(value) = x.field { ... }` error: called `map(f)` on an Option value where `f` is a unit closure --> $DIR/option_map_unit_fn.rs:83:5 | LL | x.field.map(|value| { | _____^ | |_____| | || LL | || do_nothing(value); LL | || do_nothing(value) LL | || }); | ||______^- help: try this: `if let Some(value) = x.field { ... }` | |_______| | error: called `map(f)` on an Option value where `f` is a unit closure --> $DIR/option_map_unit_fn.rs:87:5 | LL | x.field.map(|value| { do_nothing(value); do_nothing(value); }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(value) = x.field { ... }` error: called `map(f)` on an Option value where `f` is a unit function --> $DIR/option_map_unit_fn.rs:90:5 | LL | Some(42).map(diverge); | ^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(_) = Some(42) { diverge(...) }` error: called `map(f)` on an Option value where `f` is a unit function --> $DIR/option_map_unit_fn.rs:91:5 | LL | "12".parse::().ok().map(diverge); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(_) = "12".parse::().ok() { diverge(...) }` error: called `map(f)` on an Option value where `f` is a unit function --> $DIR/option_map_unit_fn.rs:92:5 | LL | Some(plus_one(1)).map(do_nothing); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(_) = Some(plus_one(1)) { do_nothing(...) }` error: called `map(f)` on an Option value where `f` is a unit function --> $DIR/option_map_unit_fn.rs:96:5 | LL | y.map(do_nothing); | ^^^^^^^^^^^^^^^^^- | | | help: try this: `if let Some(_y) = y { do_nothing(...) }` error: aborting due to 25 previous errors