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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/nll/get_default.stderr | |
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/nll/get_default.stderr')
-rw-r--r-- | src/test/ui/nll/get_default.stderr | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/test/ui/nll/get_default.stderr b/src/test/ui/nll/get_default.stderr new file mode 100644 index 000000000..6998c0433 --- /dev/null +++ b/src/test/ui/nll/get_default.stderr @@ -0,0 +1,48 @@ +error[E0502]: cannot borrow `*map` as mutable because it is also borrowed as immutable + --> $DIR/get_default.rs:21:17 + | +LL | fn ok(map: &mut Map) -> &String { + | - let's call the lifetime of this reference `'1` +LL | loop { +LL | match map.get() { + | --------- immutable borrow occurs here +LL | Some(v) => { +LL | return v; + | - returning this value requires that `*map` is borrowed for `'1` +... +LL | map.set(String::new()); // Ideally, this would not error. + | ^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here + +error[E0502]: cannot borrow `*map` as mutable because it is also borrowed as immutable + --> $DIR/get_default.rs:32:17 + | +LL | fn err(map: &mut Map) -> &String { + | - let's call the lifetime of this reference `'1` +LL | loop { +LL | match map.get() { + | --------- immutable borrow occurs here +LL | Some(v) => { +LL | map.set(String::new()); // Both AST and MIR error here + | ^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here +LL | +LL | return v; + | - returning this value requires that `*map` is borrowed for `'1` + +error[E0502]: cannot borrow `*map` as mutable because it is also borrowed as immutable + --> $DIR/get_default.rs:37:17 + | +LL | fn err(map: &mut Map) -> &String { + | - let's call the lifetime of this reference `'1` +LL | loop { +LL | match map.get() { + | --------- immutable borrow occurs here +... +LL | return v; + | - returning this value requires that `*map` is borrowed for `'1` +... +LL | map.set(String::new()); // Ideally, just AST would error here + | ^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0502`. |