145 lines
3.2 KiB
Rust
145 lines
3.2 KiB
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#[derive(Copy, Clone)]
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struct Foo {
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bar1: Bar,
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bar2: Bar
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}
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#[derive(Copy, Clone)]
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struct Bar {
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int1: isize,
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int2: isize,
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}
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fn make_foo() -> Box<Foo> { panic!() }
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fn borrow_same_field_twice_mut_mut() {
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let mut foo = make_foo();
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let bar1 = &mut foo.bar1;
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let _bar2 = &mut foo.bar1; //~ ERROR cannot borrow
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*bar1;
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}
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fn borrow_same_field_twice_mut_imm() {
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let mut foo = make_foo();
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let bar1 = &mut foo.bar1;
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let _bar2 = &foo.bar1; //~ ERROR cannot borrow
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*bar1;
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}
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fn borrow_same_field_twice_imm_mut() {
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let mut foo = make_foo();
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let bar1 = &foo.bar1;
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let _bar2 = &mut foo.bar1; //~ ERROR cannot borrow
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*bar1;
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}
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fn borrow_same_field_twice_imm_imm() {
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let mut foo = make_foo();
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let bar1 = &foo.bar1;
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let _bar2 = &foo.bar1;
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*bar1;
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}
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fn borrow_both_fields_mut() {
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let mut foo = make_foo();
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let bar1 = &mut foo.bar1;
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let _bar2 = &mut foo.bar2; //~ ERROR cannot borrow
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*bar1;
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}
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fn borrow_both_mut_pattern() {
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let mut foo = make_foo();
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match *foo {
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Foo { bar1: ref mut _bar1, bar2: ref mut _bar2 } => {}
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//~^ ERROR cannot borrow
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}
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}
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fn borrow_var_and_pattern() {
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let mut foo = make_foo();
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let bar1 = &mut foo.bar1;
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match *foo {
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Foo { bar1: ref mut _bar1, bar2: _ } => {}
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//~^ ERROR cannot borrow
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}
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*bar1;
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}
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fn borrow_mut_and_base_imm() {
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let mut foo = make_foo();
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let bar1 = &mut foo.bar1.int1;
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let _foo1 = &foo.bar1; //~ ERROR cannot borrow
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let _foo2 = &*foo; //~ ERROR cannot borrow
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*bar1;
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}
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fn borrow_mut_and_base_mut() {
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let mut foo = make_foo();
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let bar1 = &mut foo.bar1.int1;
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let _foo1 = &mut foo.bar1; //~ ERROR cannot borrow
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*bar1;
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}
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fn borrow_mut_and_base_mut2() {
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let mut foo = make_foo();
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let bar1 = &mut foo.bar1.int1;
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let _foo2 = &mut *foo; //~ ERROR cannot borrow
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*bar1;
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}
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fn borrow_imm_and_base_mut() {
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let mut foo = make_foo();
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let bar1 = &foo.bar1.int1;
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let _foo1 = &mut foo.bar1; //~ ERROR cannot borrow
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*bar1;
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}
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fn borrow_imm_and_base_mut2() {
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let mut foo = make_foo();
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let bar1 = &foo.bar1.int1;
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let _foo2 = &mut *foo; //~ ERROR cannot borrow
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*bar1;
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}
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fn borrow_imm_and_base_imm() {
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let mut foo = make_foo();
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let bar1 = &foo.bar1.int1;
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let _foo1 = &foo.bar1;
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let _foo2 = &*foo;
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*bar1;
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}
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fn borrow_mut_and_imm() {
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let mut foo = make_foo();
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let bar1 = &mut foo.bar1;
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let _foo1 = &foo.bar2; //~ ERROR cannot borrow
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*bar1;
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}
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fn borrow_mut_from_imm() {
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let foo = make_foo();
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let bar1 = &mut foo.bar1; //~ ERROR cannot borrow
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*bar1;
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}
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fn borrow_long_path_both_mut() {
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let mut foo = make_foo();
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let bar1 = &mut foo.bar1.int1;
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let foo1 = &mut foo.bar2.int2; //~ ERROR cannot borrow
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*bar1;
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*foo1;
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}
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fn main() {}
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