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Diffstat (limited to 'tests/ui/borrowck/borrowck-unboxed-closures.stderr')
-rw-r--r-- | tests/ui/borrowck/borrowck-unboxed-closures.stderr | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/tests/ui/borrowck/borrowck-unboxed-closures.stderr b/tests/ui/borrowck/borrowck-unboxed-closures.stderr new file mode 100644 index 000000000..363467646 --- /dev/null +++ b/tests/ui/borrowck/borrowck-unboxed-closures.stderr @@ -0,0 +1,45 @@ +error[E0502]: cannot borrow `f` as immutable because it is also borrowed as mutable + --> $DIR/borrowck-unboxed-closures.rs:3:5 + | +LL | let g = &mut f; + | ------ mutable borrow occurs here +LL | f(1, 2); + | ^ immutable borrow occurs here +LL | use_mut(g); + | - mutable borrow later used here + +error[E0596]: cannot borrow `f` as mutable, as it is not declared as mutable + --> $DIR/borrowck-unboxed-closures.rs:7:5 + | +LL | f(1, 2); + | ^ cannot borrow as mutable + | +help: consider changing this to be mutable + | +LL | fn b<F:FnMut(isize, isize) -> isize>(mut f: F) { + | +++ + +error[E0382]: use of moved value: `f` + --> $DIR/borrowck-unboxed-closures.rs:12:5 + | +LL | fn c<F:FnOnce(isize, isize) -> isize>(f: F) { + | - move occurs because `f` has type `F`, which does not implement the `Copy` trait +LL | f(1, 2); + | ------- `f` moved due to this call +LL | f(1, 2); + | ^ value used here after move + | +note: this value implements `FnOnce`, which causes it to be moved when called + --> $DIR/borrowck-unboxed-closures.rs:11:5 + | +LL | f(1, 2); + | ^ +help: consider further restricting this bound + | +LL | fn c<F:FnOnce(isize, isize) -> isize + Copy>(f: F) { + | ++++++ + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0382, E0502, E0596. +For more information about an error, try `rustc --explain E0382`. |