mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-12-29 22:43:41 +00:00
38d4ac7cea
Discussion previously happened in https://github.com/rust-lang/rust/pull/43498
210 lines
8.1 KiB
Text
210 lines
8.1 KiB
Text
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::<i32>().ok().map(diverge);
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
|
|
| |
|
|
| help: try this: `if let Some(_) = "12".parse::<i32>().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
|
|
|