diff options
Diffstat (limited to 'src/test/ui/disallowed-deconstructing')
4 files changed, 65 insertions, 0 deletions
diff --git a/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-let.rs b/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-let.rs new file mode 100644 index 000000000..8e394498a --- /dev/null +++ b/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-let.rs @@ -0,0 +1,20 @@ +struct X { + x: String, +} + +impl Drop for X { + fn drop(&mut self) { + println!("value: {}", self.x); + } +} + +fn unwrap(x: X) -> String { + let X { x: y } = x; //~ ERROR cannot move out of type + y +} + +fn main() { + let x = X { x: "hello".to_string() }; + let y = unwrap(x); + println!("contents: {}", y); +} diff --git a/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-let.stderr b/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-let.stderr new file mode 100644 index 000000000..cda81d136 --- /dev/null +++ b/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-let.stderr @@ -0,0 +1,12 @@ +error[E0509]: cannot move out of type `X`, which implements the `Drop` trait + --> $DIR/disallowed-deconstructing-destructing-struct-let.rs:12:22 + | +LL | let X { x: y } = x; + | - ^ cannot move out of here + | | + | data moved here + | move occurs because `y` has type `String`, which does not implement the `Copy` trait + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0509`. diff --git a/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-match.rs b/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-match.rs new file mode 100644 index 000000000..9c996a93b --- /dev/null +++ b/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-match.rs @@ -0,0 +1,18 @@ +struct X { + x: String, +} + +impl Drop for X { + fn drop(&mut self) { + println!("value: {}", self.x); + } +} + +fn main() { + let x = X { x: "hello".to_string() }; + + match x { + //~^ ERROR cannot move out of type `X`, which implements the `Drop` trait + X { x: y } => println!("contents: {}", y) + } +} diff --git a/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-match.stderr b/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-match.stderr new file mode 100644 index 000000000..70cdd6446 --- /dev/null +++ b/src/test/ui/disallowed-deconstructing/disallowed-deconstructing-destructing-struct-match.stderr @@ -0,0 +1,15 @@ +error[E0509]: cannot move out of type `X`, which implements the `Drop` trait + --> $DIR/disallowed-deconstructing-destructing-struct-match.rs:14:11 + | +LL | match x { + | ^ cannot move out of here +LL | +LL | X { x: y } => println!("contents: {}", y) + | - + | | + | data moved here + | move occurs because `y` has type `String`, which does not implement the `Copy` trait + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0509`. |