diff options
Diffstat (limited to 'src/test/ui/issues/issue-21600.stderr')
| -rw-r--r-- | src/test/ui/issues/issue-21600.stderr | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-21600.stderr b/src/test/ui/issues/issue-21600.stderr new file mode 100644 index 000000000..ea304f936 --- /dev/null +++ b/src/test/ui/issues/issue-21600.stderr @@ -0,0 +1,31 @@ +error[E0596]: cannot borrow `x` as mutable, as it is a captured variable in a `Fn` closure + --> $DIR/issue-21600.rs:14:20 + | +LL | fn call_it<F>(f: F) where F: Fn() { f(); } + | - change this to accept `FnMut` instead of `Fn` +... +LL | call_it(|| x.gen_mut()); + | ------- -- ^^^^^^^^^^^ cannot borrow as mutable + | | | + | | in this closure + | expects `Fn` instead of `FnMut` + +error[E0596]: cannot borrow `x` as mutable, as it is a captured variable in a `Fn` closure + --> $DIR/issue-21600.rs:14:17 + | +LL | fn call_it<F>(f: F) where F: Fn() { f(); } + | - change this to accept `FnMut` instead of `Fn` +... +LL | call_it(|| { + | ------- -- in this closure + | | + | expects `Fn` instead of `FnMut` +LL | call_it(|| x.gen()); +LL | call_it(|| x.gen_mut()); + | ^^ - mutable borrow occurs due to use of `x` in closure + | | + | cannot borrow as mutable + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0596`. |