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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/borrowck/borrowck-match-binding-is-assignment.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/borrowck/borrowck-match-binding-is-assignment.rs')
-rw-r--r-- | src/test/ui/borrowck/borrowck-match-binding-is-assignment.rs | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/borrowck-match-binding-is-assignment.rs b/src/test/ui/borrowck/borrowck-match-binding-is-assignment.rs new file mode 100644 index 000000000..064bf69ae --- /dev/null +++ b/src/test/ui/borrowck/borrowck-match-binding-is-assignment.rs @@ -0,0 +1,41 @@ +// Test that immutable pattern bindings cannot be reassigned. + +enum E { + Foo(isize) +} + +struct S { + bar: isize, +} + +pub fn main() { + match 1 { + x => { + x += 1; //~ ERROR [E0384] + } + } + + match E::Foo(1) { + E::Foo(x) => { + x += 1; //~ ERROR [E0384] + } + } + + match (S { bar: 1 }) { + S { bar: x } => { + x += 1; //~ ERROR [E0384] + } + } + + match (1,) { + (x,) => { + x += 1; //~ ERROR [E0384] + } + } + + match [1,2,3] { + [x,_,_] => { + x += 1; //~ ERROR [E0384] + } + } +} |