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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/moves/moves-based-on-type-exprs.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/moves/moves-based-on-type-exprs.rs')
-rw-r--r-- | src/test/ui/moves/moves-based-on-type-exprs.rs | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/test/ui/moves/moves-based-on-type-exprs.rs b/src/test/ui/moves/moves-based-on-type-exprs.rs new file mode 100644 index 000000000..4a52d8d32 --- /dev/null +++ b/src/test/ui/moves/moves-based-on-type-exprs.rs @@ -0,0 +1,93 @@ +// Tests that references to move-by-default values trigger moves when +// they occur as part of various kinds of expressions. + + +struct Foo<A> { f: A } +fn guard(_s: String) -> bool {panic!()} +fn touch<A>(_a: &A) {} + +fn f10() { + let x = "hi".to_string(); + let _y = Foo { f:x }; + touch(&x); //~ ERROR borrow of moved value: `x` +} + +fn f20() { + let x = "hi".to_string(); + let _y = (x, 3); + touch(&x); //~ ERROR borrow of moved value: `x` +} + +fn f21() { + let x = vec![1, 2, 3]; + let _y = (x[0], 3); + touch(&x); +} + +fn f30(cond: bool) { + let x = "hi".to_string(); + let y = "ho".to_string(); + let _y = if cond { + x + } else { + y + }; + touch(&x); //~ ERROR borrow of moved value: `x` + touch(&y); //~ ERROR borrow of moved value: `y` +} + +fn f40(cond: bool) { + let x = "hi".to_string(); + let y = "ho".to_string(); + let _y = match cond { + true => x, + false => y + }; + touch(&x); //~ ERROR borrow of moved value: `x` + touch(&y); //~ ERROR borrow of moved value: `y` +} + +fn f50(cond: bool) { + let x = "hi".to_string(); + let y = "ho".to_string(); + let _y = match cond { + _ if guard(x) => 10, + true => 10, + false => 20, + }; + touch(&x); //~ ERROR borrow of moved value: `x` + touch(&y); +} + +fn f70() { + let x = "hi".to_string(); + let _y = [x]; + touch(&x); //~ ERROR borrow of moved value: `x` +} + +fn f80() { + let x = "hi".to_string(); + let _y = vec![x]; + touch(&x); //~ ERROR borrow of moved value: `x` +} + +fn f100() { + let x = vec!["hi".to_string()]; + let _y = x.into_iter().next().unwrap(); + touch(&x); //~ ERROR borrow of moved value: `x` +} + +fn f110() { + let x = vec!["hi".to_string()]; + let _y = [x.into_iter().next().unwrap(); 1]; + touch(&x); //~ ERROR borrow of moved value: `x` +} + +fn f120() { + let mut x = vec!["hi".to_string(), "ho".to_string()]; + x.swap(0, 1); + touch(&x[0]); + touch(&x[1]); +} + +fn main() {} |