65 lines
1.5 KiB
Rust
65 lines
1.5 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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fn borrow(_v: &int) {}
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fn local() {
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let mut v = ~3;
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borrow(v);
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}
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fn local_rec() {
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struct F { f: ~int }
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let mut v = F {f: ~3};
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borrow(v.f);
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}
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fn local_recs() {
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struct F { f: G }
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struct G { g: H }
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struct H { h: ~int }
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let mut v = F {f: G {g: H {h: ~3}}};
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borrow(v.f.g.h);
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}
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fn aliased_imm() {
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let mut v = ~3;
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let _w = &v;
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borrow(v);
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}
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fn aliased_const() {
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let mut v = ~3;
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let _w = &const v;
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borrow(v);
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}
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fn aliased_mut() {
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let mut v = ~3;
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let _w = &mut v; //~ NOTE prior loan as mutable granted here
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borrow(v); //~ ERROR loan of mutable local variable as immutable conflicts with prior loan
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}
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fn aliased_other() {
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let mut v = ~3, w = ~4;
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let _x = &mut w;
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borrow(v);
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}
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fn aliased_other_reassign() {
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let mut v = ~3, w = ~4;
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let mut _x = &mut w;
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_x = &mut v; //~ NOTE prior loan as mutable granted here
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borrow(v); //~ ERROR loan of mutable local variable as immutable conflicts with prior loan
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}
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fn main() {
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}
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