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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/span/regions-infer-borrow-scope-within-loop.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/span/regions-infer-borrow-scope-within-loop.rs')
-rw-r--r-- | src/test/ui/span/regions-infer-borrow-scope-within-loop.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/span/regions-infer-borrow-scope-within-loop.rs b/src/test/ui/span/regions-infer-borrow-scope-within-loop.rs new file mode 100644 index 000000000..3b20285b1 --- /dev/null +++ b/src/test/ui/span/regions-infer-borrow-scope-within-loop.rs @@ -0,0 +1,22 @@ +fn borrow<T>(x: &T) -> &T {x} + +fn foo<C, M>(mut cond: C, mut make_box: M) where + C: FnMut() -> bool, + M: FnMut() -> Box<isize>, +{ + let mut y: &isize; + loop { + let x = make_box(); + + // Here we complain because the resulting region + // of this borrow is the fn body as a whole. + y = borrow(&*x); + //~^ ERROR `*x` does not live long enough + + assert_eq!(*x, *y); + if cond() { break; } + } + assert!(*y != 0); +} + +fn main() {} |