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64 changes: 64 additions & 0 deletions
64
tests/ui/suggestions/suggest-deref-in-match-issue-132784.rs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| use std::sync::Arc; | ||
| fn main() { | ||
| let mut x = Arc::new(Some(1)); | ||
| match x { | ||
| //~^ HELP consider dereferencing to access the inner value | ||
| //~| HELP consider dereferencing to access the inner value | ||
| Some(_) => {} | ||
| //~^ ERROR mismatched types | ||
| None => {} | ||
| //~^ ERROR mismatched types | ||
| } | ||
|
|
||
| let mut y = Box::new(Some(1)); | ||
| match y { | ||
| //~^ HELP consider dereferencing to access the inner value | ||
| //~| HELP consider dereferencing to access the inner value | ||
| Some(_) => {} | ||
| //~^ ERROR mismatched types | ||
| None => {} | ||
| //~^ ERROR mismatched types | ||
| } | ||
|
|
||
| let mut z = Arc::new(Some(1)); | ||
| match z as Arc<Option<i32>> { | ||
| //~^ HELP consider dereferencing to access the inner value | ||
| //~| HELP consider dereferencing to access the inner value | ||
| Some(_) => {} | ||
| //~^ ERROR mismatched types | ||
| None => {} | ||
| //~^ ERROR mismatched types | ||
| } | ||
|
|
||
| let z_const: &Arc<Option<i32>> = &z; | ||
| match z_const { | ||
| //~^ HELP consider dereferencing to access the inner value | ||
| //~| HELP consider dereferencing to access the inner value | ||
| Some(_) => {} | ||
| //~^ ERROR mismatched types | ||
| None => {} | ||
| //~^ ERROR mismatched types | ||
| } | ||
|
|
||
| // Normal reference because Arc doesn't implement DerefMut. | ||
| let z_mut: &mut Arc<Option<i32>> = &mut z; | ||
| match z_mut { | ||
| //~^ HELP consider dereferencing to access the inner value | ||
| //~| HELP consider dereferencing to access the inner value | ||
| Some(_) => {} | ||
| //~^ ERROR mismatched types | ||
| None => {} | ||
| //~^ ERROR mismatched types | ||
| } | ||
|
|
||
| // Mutable reference because Box does implement DerefMut. | ||
| let y_mut: &mut Box<Option<i32>> = &mut y; | ||
| match y_mut { | ||
| //~^ HELP consider dereferencing to access the inner value | ||
| //~| HELP consider dereferencing to access the inner value | ||
| Some(_) => {} | ||
| //~^ ERROR mismatched types | ||
| None => {} | ||
| //~^ ERROR mismatched types | ||
| } | ||
| } |
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