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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/nll/issue-27282-move-ref-mut-into-guard.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/nll/issue-27282-move-ref-mut-into-guard.rs')
-rw-r--r-- | tests/ui/nll/issue-27282-move-ref-mut-into-guard.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tests/ui/nll/issue-27282-move-ref-mut-into-guard.rs b/tests/ui/nll/issue-27282-move-ref-mut-into-guard.rs new file mode 100644 index 000000000..833ca8afd --- /dev/null +++ b/tests/ui/nll/issue-27282-move-ref-mut-into-guard.rs @@ -0,0 +1,23 @@ +// Issue 27282: Example 1: This sidesteps the AST checks disallowing +// mutable borrows in match guards by hiding the mutable borrow in a +// guard behind a move (of the ref mut pattern id) within a closure. + +#![feature(if_let_guard)] + +fn main() { + match Some(&4) { + None => {}, + ref mut foo + if { (|| { let bar = foo; bar.take() })(); false } => {}, + //~^ ERROR cannot move out of `foo` in pattern guard [E0507] + Some(s) => std::process::exit(*s), + } + + match Some(&4) { + None => {}, + ref mut foo + if let Some(()) = { (|| { let bar = foo; bar.take() })(); None } => {}, + //~^ ERROR cannot move out of `foo` in pattern guard [E0507] + Some(s) => std::process::exit(*s), + } +} |