diff options
Diffstat (limited to 'tests/ui/lint/unused/issue-67691-unused-field-in-or-pattern.rs')
-rw-r--r-- | tests/ui/lint/unused/issue-67691-unused-field-in-or-pattern.rs | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/tests/ui/lint/unused/issue-67691-unused-field-in-or-pattern.rs b/tests/ui/lint/unused/issue-67691-unused-field-in-or-pattern.rs new file mode 100644 index 000000000..e3631d014 --- /dev/null +++ b/tests/ui/lint/unused/issue-67691-unused-field-in-or-pattern.rs @@ -0,0 +1,85 @@ +// FIXME: should be run-rustfix, but rustfix doesn't currently support multipart suggestions, see +// #53934 + +#![deny(unused)] + +pub enum MyEnum { + A { i: i32, j: i32 }, + B { i: i32, j: i32 }, +} + +pub enum MixedEnum { + A { i: i32 }, + B(i32), +} + +pub fn no_ref(x: MyEnum) { + use MyEnum::*; + + match x { + A { i, j } | B { i, j } => { //~ ERROR unused variable + println!("{}", i); + } + } +} + +pub fn with_ref(x: MyEnum) { + use MyEnum::*; + + match x { + A { i, ref j } | B { i, ref j } => { //~ ERROR unused variable + println!("{}", i); + } + } +} + +pub fn inner_no_ref(x: Option<MyEnum>) { + use MyEnum::*; + + match x { + Some(A { i, j } | B { i, j }) => { //~ ERROR unused variable + println!("{}", i); + } + + _ => {} + } +} + +pub fn inner_with_ref(x: Option<MyEnum>) { + use MyEnum::*; + + match x { + Some(A { i, ref j } | B { i, ref j }) => { //~ ERROR unused variable + println!("{}", i); + } + + _ => {} + } +} + +pub fn mixed_no_ref(x: MixedEnum) { + match x { + MixedEnum::A { i } | MixedEnum::B(i) => { //~ ERROR unused variable + println!("match"); + } + } +} + +pub fn mixed_with_ref(x: MixedEnum) { + match x { + MixedEnum::A { ref i } | MixedEnum::B(ref i) => { //~ ERROR unused variable + println!("match"); + } + } +} + +pub fn main() { + no_ref(MyEnum::A { i: 1, j: 2 }); + with_ref(MyEnum::A { i: 1, j: 2 }); + + inner_no_ref(Some(MyEnum::A { i: 1, j: 2 })); + inner_with_ref(Some(MyEnum::A { i: 1, j: 2 })); + + mixed_no_ref(MixedEnum::B(5)); + mixed_with_ref(MixedEnum::B(5)); +} |