rust/tests/ui/option_map_unit_fn.stderr

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error: called `map(f)` on an Option value where `f` is a unit function
--> $DIR/option_map_unit_fn.rs:34:5
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|
34 | x.field.map(do_nothing);
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| ^^^^^^^^^^^^^^^^^^^^^^^-
| |
| help: try this: `if let Some(x_field) = x.field { do_nothing(...) }`
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|
= note: `-D clippy::option-map-unit-fn` implied by `-D warnings`
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error: called `map(f)` on an Option value where `f` is a unit function
--> $DIR/option_map_unit_fn.rs:36:5
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|
36 | x.field.map(do_nothing);
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| ^^^^^^^^^^^^^^^^^^^^^^^-
| |
| help: try this: `if let Some(x_field) = x.field { do_nothing(...) }`
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error: called `map(f)` on an Option value where `f` is a unit function
--> $DIR/option_map_unit_fn.rs:38:5
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|
38 | x.field.map(diverge);
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| ^^^^^^^^^^^^^^^^^^^^-
| |
| help: try this: `if let Some(x_field) = x.field { diverge(...) }`
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error: called `map(f)` on an Option value where `f` is a unit closure
--> $DIR/option_map_unit_fn.rs:44:5
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|
44 | x.field.map(|value| x.do_option_nothing(value + captured));
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
| |
| 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:46:5
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|
46 | x.field.map(|value| { x.do_option_plus_one(value + captured); });
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
| |
| 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:49:5
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49 | x.field.map(|value| do_nothing(value + captured));
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
| |
| 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
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|
51 | x.field.map(|value| { do_nothing(value + captured) });
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
| |
| 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
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|
53 | x.field.map(|value| { do_nothing(value + captured); });
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
| |
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| help: try this: `if let Some(value) = x.field { do_nothing(value + captured); }`
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error: called `map(f)` on an Option value where `f` is a unit closure
--> $DIR/option_map_unit_fn.rs:55:5
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|
55 | x.field.map(|value| { { do_nothing(value + captured); } });
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
| |
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| help: try this: `if let Some(value) = x.field { do_nothing(value + captured); }`
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error: called `map(f)` on an Option value where `f` is a unit closure
--> $DIR/option_map_unit_fn.rs:58:5
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|
58 | x.field.map(|value| diverge(value + captured));
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
| |
| 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
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|
60 | x.field.map(|value| { diverge(value + captured) });
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
| |
| 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
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|
62 | x.field.map(|value| { diverge(value + captured); });
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
| |
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| help: try this: `if let Some(value) = x.field { diverge(value + captured); }`
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error: called `map(f)` on an Option value where `f` is a unit closure
--> $DIR/option_map_unit_fn.rs:64:5
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64 | x.field.map(|value| { { diverge(value + captured); } });
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
| |
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| help: try this: `if let Some(value) = x.field { diverge(value + captured); }`
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error: called `map(f)` on an Option value where `f` is a unit closure
--> $DIR/option_map_unit_fn.rs:69:5
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|
69 | x.field.map(|value| { let y = plus_one(value + captured); });
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
| |
| 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:71:5
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|
71 | x.field.map(|value| { plus_one(value + captured); });
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
| |
| 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:73:5
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73 | x.field.map(|value| { { plus_one(value + captured); } });
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
| |
| 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:76:5
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|
76 | x.field.map(|ref value| { do_nothing(value + captured) });
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
| |
| 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:79:5
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79 | x.field.map(|value| { do_nothing(value); do_nothing(value) });
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
| |
| 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:81:5
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|
81 | x.field.map(|value| if value > 0 { do_nothing(value); do_nothing(value) });
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
| |
| 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:85:5
|
85 | x.field.map(|value| {
| _____^
| |_____|
| ||
86 | || do_nothing(value);
87 | || do_nothing(value)
88 | || });
| ||______^- 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:89:5
|
89 | 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:92:5
|
92 | 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:93:5
|
93 | "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:94:5
|
94 | 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:98:5
|
98 | y.map(do_nothing);
| ^^^^^^^^^^^^^^^^^-
| |
| help: try this: `if let Some(_y) = y { do_nothing(...) }`
error: aborting due to 25 previous errors
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