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Diffstat (limited to '')
| -rw-r--r-- | tests/ui/span/mut-arg-hint.stderr | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/tests/ui/span/mut-arg-hint.stderr b/tests/ui/span/mut-arg-hint.stderr new file mode 100644 index 000000000..96ce4d5bc --- /dev/null +++ b/tests/ui/span/mut-arg-hint.stderr @@ -0,0 +1,36 @@ +error[E0596]: cannot borrow `*a` as mutable, as it is behind a `&` reference + --> $DIR/mut-arg-hint.rs:3:9 + | +LL | a.push_str("bar"); + | ^^^^^^^^^^^^^^^^^ `a` is a `&` reference, so the data it refers to cannot be borrowed as mutable + | +help: consider changing this to be a mutable reference + | +LL | fn foo(mut a: &mut String) { + | ~~~~~~~~~~~ + +error[E0596]: cannot borrow `*a` as mutable, as it is behind a `&` reference + --> $DIR/mut-arg-hint.rs:8:5 + | +LL | a.push_str("foo"); + | ^^^^^^^^^^^^^^^^^ `a` is a `&` reference, so the data it refers to cannot be borrowed as mutable + | +help: consider changing this to be a mutable reference + | +LL | pub fn foo<'a>(mut a: &'a mut String) { + | ~~~~~~~~~~~~~~ + +error[E0596]: cannot borrow `*a` as mutable, as it is behind a `&` reference + --> $DIR/mut-arg-hint.rs:15:9 + | +LL | a.push_str("foo"); + | ^^^^^^^^^^^^^^^^^ `a` is a `&` reference, so the data it refers to cannot be borrowed as mutable + | +help: consider changing this to be a mutable reference + | +LL | pub fn foo(mut a: &mut String) { + | ~~~~~~~~~~~ + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0596`. |