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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/nll/return_from_loop.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/nll/return_from_loop.rs')
-rw-r--r-- | tests/ui/nll/return_from_loop.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/ui/nll/return_from_loop.rs b/tests/ui/nll/return_from_loop.rs new file mode 100644 index 000000000..495410894 --- /dev/null +++ b/tests/ui/nll/return_from_loop.rs @@ -0,0 +1,35 @@ +// Basic test for liveness constraints: the region (`R1`) that appears +// in the type of `p` includes the points after `&v[0]` up to (but not +// including) the call to `use_x`. The `else` branch is not included. + +#![allow(warnings)] +#![feature(rustc_attrs)] + +struct MyStruct { + field: String +} + +fn main() { +} + +fn nll_fail() { + let mut my_struct = MyStruct { field: format!("Hello") }; + + let value = &mut my_struct.field; + loop { + my_struct.field.push_str("Hello, world!"); + //~^ ERROR [E0499] + value.len(); + return; + } +} + +fn nll_ok() { + let mut my_struct = MyStruct { field: format!("Hello") }; + + let value = &mut my_struct.field; + loop { + my_struct.field.push_str("Hello, world!"); + return; + } +} |