struct Foo { bar1: Bar, bar2: Bar } struct Bar { int1: isize, int2: isize, } fn borrow_same_field_twice_mut_mut(foo: &mut Foo) { let _bar1 = &mut foo.bar1; let _bar2 = &mut foo.bar1; //~ ERROR cannot borrow use_mut(_bar1); } fn borrow_same_field_twice_mut_imm(foo: &mut Foo) { let _bar1 = &mut foo.bar1; let _bar2 = &foo.bar1; //~ ERROR cannot borrow use_mut(_bar1); } fn borrow_same_field_twice_imm_mut(foo: &mut Foo) { let _bar1 = &foo.bar1; let _bar2 = &mut foo.bar1; //~ ERROR cannot borrow use_imm(_bar1); } fn borrow_same_field_twice_imm_imm(foo: &mut Foo) { let _bar1 = &foo.bar1; let _bar2 = &foo.bar1; use_imm(_bar1); } fn borrow_both_mut(foo: &mut Foo) { let _bar1 = &mut foo.bar1; let _bar2 = &mut foo.bar2; use_mut(_bar1); } fn borrow_both_mut_pattern(foo: &mut Foo) { match *foo { Foo { bar1: ref mut _bar1, bar2: ref mut _bar2 } => { use_mut(_bar1); use_mut(_bar2); } } } fn borrow_var_and_pattern(foo: &mut Foo) { let _bar1 = &mut foo.bar1; match *foo { Foo { bar1: ref mut _bar1, bar2: _ } => {} //~^ ERROR cannot borrow } use_mut(_bar1); } fn borrow_mut_and_base_imm(foo: &mut Foo) { let _bar1 = &mut foo.bar1.int1; let _foo1 = &foo.bar1; //~ ERROR cannot borrow let _foo2 = &*foo; //~ ERROR cannot borrow use_mut(_bar1); } fn borrow_mut_and_base_mut(foo: &mut Foo) { let _bar1 = &mut foo.bar1.int1; let _foo1 = &mut foo.bar1; //~ ERROR cannot borrow use_mut(_bar1); } fn borrow_mut_and_base_mut2(foo: &mut Foo) { let _bar1 = &mut foo.bar1.int1; let _foo2 = &mut *foo; //~ ERROR cannot borrow use_mut(_bar1); } fn borrow_imm_and_base_mut(foo: &mut Foo) { let _bar1 = &foo.bar1.int1; let _foo1 = &mut foo.bar1; //~ ERROR cannot borrow use_imm(_bar1); } fn borrow_imm_and_base_mut2(foo: &mut Foo) { let _bar1 = &foo.bar1.int1; let _foo2 = &mut *foo; //~ ERROR cannot borrow use_imm(_bar1); } fn borrow_imm_and_base_imm(foo: &mut Foo) { let _bar1 = &foo.bar1.int1; let _foo1 = &foo.bar1; let _foo2 = &*foo; use_imm(_bar1); } fn borrow_mut_and_imm(foo: &mut Foo) { let _bar1 = &mut foo.bar1; let _foo1 = &foo.bar2; use_mut(_bar1); } fn borrow_mut_from_imm(foo: &Foo) { let _bar1 = &mut foo.bar1; //~ ERROR cannot borrow } fn borrow_long_path_both_mut(foo: &mut Foo) { let _bar1 = &mut foo.bar1.int1; let _foo1 = &mut foo.bar2.int2; use_mut(_bar1); } fn main() {} fn use_mut(_: &mut T) { } fn use_imm(_: &T) { }