diff options
Diffstat (limited to 'tests/ui/borrowck/issue-109271-pass-self-into-closure.fixed')
-rw-r--r-- | tests/ui/borrowck/issue-109271-pass-self-into-closure.fixed | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/tests/ui/borrowck/issue-109271-pass-self-into-closure.fixed b/tests/ui/borrowck/issue-109271-pass-self-into-closure.fixed new file mode 100644 index 000000000..4a8831dab --- /dev/null +++ b/tests/ui/borrowck/issue-109271-pass-self-into-closure.fixed @@ -0,0 +1,39 @@ +// run-rustfix +#![allow(unused)] +struct S; + +impl S { + fn call(&mut self, f: impl FnOnce((), &mut Self)) { + // change state or something ... + f((), self); + // change state or something ... + } + + fn get(&self) {} + fn set(&mut self) {} +} + +fn main() { + let mut v = S; + + v.call(|(), this: &mut S| this.get()); + //~^ error: cannot borrow `v` as mutable because it is also borrowed as immutable + v.call(|(), this: &mut S| this.set()); + //~^ error: cannot borrow `v` as mutable more than once at a time + //~| error: cannot borrow `v` as mutable more than once at a time + + v.call(|(), this: &mut S| { + //~^ error: cannot borrow `v` as mutable more than once at a time + //~| error: cannot borrow `v` as mutable more than once at a time + + _ = this; + this.set(); + this.get(); + S::get(&this); + + use std::ops::Add; + let v = 0u32; + _ = v + v; + _ = v.add(3); + }); +} |