mirror of https://github.com/rust-lang/rust
132 lines
2.6 KiB
Rust
132 lines
2.6 KiB
Rust
#[derive(Copy, Clone)]
|
|
struct Foo {
|
|
bar1: Bar,
|
|
bar2: Bar
|
|
}
|
|
|
|
#[derive(Copy, Clone)]
|
|
struct Bar {
|
|
int1: isize,
|
|
int2: isize,
|
|
}
|
|
|
|
fn make_foo() -> Foo { panic!() }
|
|
|
|
fn borrow_same_field_twice_mut_mut() {
|
|
let mut foo = make_foo();
|
|
let bar1 = &mut foo.bar1;
|
|
let _bar2 = &mut foo.bar1; //~ ERROR cannot borrow
|
|
*bar1;
|
|
}
|
|
|
|
fn borrow_same_field_twice_mut_imm() {
|
|
let mut foo = make_foo();
|
|
let bar1 = &mut foo.bar1;
|
|
let _bar2 = &foo.bar1; //~ ERROR cannot borrow
|
|
*bar1;
|
|
}
|
|
|
|
fn borrow_same_field_twice_imm_mut() {
|
|
let mut foo = make_foo();
|
|
let bar1 = &foo.bar1;
|
|
let _bar2 = &mut foo.bar1; //~ ERROR cannot borrow
|
|
*bar1;
|
|
}
|
|
|
|
fn borrow_same_field_twice_imm_imm() {
|
|
let mut foo = make_foo();
|
|
let bar1 = &foo.bar1;
|
|
let _bar2 = &foo.bar1;
|
|
*bar1;
|
|
}
|
|
|
|
fn borrow_both_mut() {
|
|
let mut foo = make_foo();
|
|
let bar1 = &mut foo.bar1;
|
|
let _bar2 = &mut foo.bar2;
|
|
*bar1;
|
|
}
|
|
|
|
fn borrow_both_mut_pattern() {
|
|
let mut foo = make_foo();
|
|
match foo {
|
|
Foo { bar1: ref mut _bar1, bar2: ref mut _bar2 } => {}
|
|
}
|
|
}
|
|
|
|
fn borrow_var_and_pattern() {
|
|
let mut foo = make_foo();
|
|
let bar1 = &mut foo.bar1;
|
|
match foo {
|
|
Foo { bar1: ref mut _bar1, bar2: _ } => {} //
|
|
//~^ ERROR cannot borrow
|
|
}
|
|
*bar1;
|
|
}
|
|
|
|
fn borrow_mut_and_base_imm() {
|
|
let mut foo = make_foo();
|
|
let bar1 = &mut foo.bar1.int1;
|
|
let _foo1 = &foo.bar1; //~ ERROR cannot borrow
|
|
let _foo2 = &foo; //~ ERROR cannot borrow
|
|
*bar1;
|
|
}
|
|
|
|
fn borrow_mut_and_base_mut() {
|
|
let mut foo = make_foo();
|
|
let bar1 = &mut foo.bar1.int1;
|
|
let _foo1 = &mut foo.bar1; //~ ERROR cannot borrow
|
|
*bar1;
|
|
}
|
|
|
|
fn borrow_mut_and_base_mut2() {
|
|
let mut foo = make_foo();
|
|
let bar1 = &mut foo.bar1.int1;
|
|
let _foo2 = &mut foo; //~ ERROR cannot borrow
|
|
*bar1;
|
|
}
|
|
|
|
fn borrow_imm_and_base_mut() {
|
|
let mut foo = make_foo();
|
|
let bar1 = &foo.bar1.int1;
|
|
let _foo1 = &mut foo.bar1; //~ ERROR cannot borrow
|
|
*bar1;
|
|
}
|
|
|
|
fn borrow_imm_and_base_mut2() {
|
|
let mut foo = make_foo();
|
|
let bar1 = &foo.bar1.int1;
|
|
let _foo2 = &mut foo; //~ ERROR cannot borrow
|
|
*bar1;
|
|
}
|
|
|
|
fn borrow_imm_and_base_imm() {
|
|
let mut foo = make_foo();
|
|
let bar1 = &foo.bar1.int1;
|
|
let _foo1 = &foo.bar1;
|
|
let _foo2 = &foo;
|
|
*bar1;
|
|
}
|
|
|
|
fn borrow_mut_and_imm() {
|
|
let mut foo = make_foo();
|
|
let bar1 = &mut foo.bar1;
|
|
let _foo1 = &foo.bar2;
|
|
*bar1;
|
|
}
|
|
|
|
fn borrow_mut_from_imm() {
|
|
let foo = make_foo();
|
|
let bar1 = &mut foo.bar1; //~ ERROR cannot borrow
|
|
*bar1;
|
|
}
|
|
|
|
fn borrow_long_path_both_mut() {
|
|
let mut foo = make_foo();
|
|
let bar1 = &mut foo.bar1.int1;
|
|
let _foo1 = &mut foo.bar2.int2;
|
|
*bar1;
|
|
}
|
|
|
|
fn main() {}
|