107 lines
2.7 KiB
Rust
107 lines
2.7 KiB
Rust
// Copyright 2012 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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struct Foo {
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bar1: Bar,
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bar2: Bar
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}
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struct Bar {
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int1: int,
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int2: int,
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}
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fn borrow_same_field_twice_mut_mut(foo: &mut Foo) {
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let _bar1 = &mut foo.bar1;
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let _bar2 = &mut foo.bar1; //~ ERROR conflicts with prior loan
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}
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fn borrow_same_field_twice_mut_imm(foo: &mut Foo) {
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let _bar1 = &mut foo.bar1;
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let _bar2 = &foo.bar1; //~ ERROR conflicts with prior loan
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}
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fn borrow_same_field_twice_imm_mut(foo: &mut Foo) {
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let _bar1 = &foo.bar1;
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let _bar2 = &mut foo.bar1; //~ ERROR conflicts with prior loan
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}
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fn borrow_same_field_twice_imm_imm(foo: &mut Foo) {
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let _bar1 = &foo.bar1;
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let _bar2 = &foo.bar1;
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}
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fn borrow_both_mut(foo: &mut Foo) {
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let _bar1 = &mut foo.bar1;
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let _bar2 = &mut foo.bar2;
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}
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fn borrow_both_mut_pattern(foo: &mut Foo) {
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match *foo {
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Foo { bar1: ref mut _bar1, bar2: ref mut _bar2 } => {}
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}
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}
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fn borrow_var_and_pattern(foo: &mut 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 conflicts with prior loan
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}
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}
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fn borrow_mut_and_base_imm(foo: &mut Foo) {
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let _bar1 = &mut foo.bar1.int1;
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let _foo1 = &foo.bar1; //~ ERROR conflicts with prior loan
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let _foo2 = &*foo; //~ ERROR conflicts with prior loan
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}
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fn borrow_mut_and_base_mut(foo: &mut Foo) {
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let _bar1 = &mut foo.bar1.int1;
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let _foo1 = &mut foo.bar1; //~ ERROR conflicts with prior loan
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}
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fn borrow_mut_and_base_mut2(foo: &mut Foo) {
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let _bar1 = &mut foo.bar1.int1;
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let _foo2 = &mut *foo; //~ ERROR conflicts with prior loan
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}
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fn borrow_imm_and_base_mut(foo: &mut Foo) {
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let _bar1 = &foo.bar1.int1;
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let _foo1 = &mut foo.bar1; //~ ERROR conflicts with prior loan
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}
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fn borrow_imm_and_base_mut2(foo: &mut Foo) {
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let _bar1 = &foo.bar1.int1;
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let _foo2 = &mut *foo; //~ ERROR conflicts with prior loan
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}
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fn borrow_imm_and_base_imm(foo: &mut 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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}
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fn borrow_mut_and_imm(foo: &mut Foo) {
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let _bar1 = &mut foo.bar1;
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let _foo1 = &foo.bar2;
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}
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fn borrow_mut_from_imm(foo: &Foo) {
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let _bar1 = &mut foo.bar1; //~ ERROR illegal borrow
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}
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fn borrow_long_path_both_mut(foo: &mut Foo) {
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let _bar1 = &mut foo.bar1.int1;
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let _foo1 = &mut foo.bar2.int2;
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}
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fn main() {}
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