mirror of https://github.com/rust-lang/rust
62 lines
1.3 KiB
Rust
62 lines
1.3 KiB
Rust
use std::thread;
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fn borrow<T>(_: &T) { }
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fn different_vars_after_borrows() {
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let x1: Box<_> = Box::new(1);
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let p1 = &x1;
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let x2: Box<_> = Box::new(2);
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let p2 = &x2;
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thread::spawn(move|| {
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//~^ ERROR cannot move out of `x1` because it is borrowed
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//~| ERROR cannot move out of `x2` because it is borrowed
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drop(x1);
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drop(x2);
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});
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borrow(&*p1);
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borrow(&*p2);
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}
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fn different_vars_after_moves() {
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let x1: Box<_> = Box::new(1);
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drop(x1);
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let x2: Box<_> = Box::new(2);
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drop(x2);
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thread::spawn(move|| {
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//~^ ERROR use of moved value: `x1`
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//~| ERROR use of moved value: `x2`
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drop(x1);
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drop(x2);
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});
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}
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fn same_var_after_borrow() {
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let x: Box<_> = Box::new(1);
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let p = &x;
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thread::spawn(move|| {
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//~^ ERROR cannot move out of `x` because it is borrowed
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drop(x);
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drop(x); //~ ERROR use of moved value: `x`
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});
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borrow(&*p);
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}
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fn same_var_after_move() {
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let x: Box<_> = Box::new(1);
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drop(x);
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thread::spawn(move|| {
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//~^ ERROR use of moved value: `x`
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drop(x);
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drop(x); //~ ERROR use of moved value: `x`
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});
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}
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fn main() {
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different_vars_after_borrows();
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different_vars_after_moves();
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same_var_after_borrow();
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same_var_after_move();
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}
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