mirror of https://github.com/rust-lang/rust
24 lines
603 B
Rust
24 lines
603 B
Rust
type Noncopyable = Box<isize>;
|
|
|
|
|
|
|
|
struct Foo {
|
|
copied: isize,
|
|
moved: Box<isize>,
|
|
noncopyable: Noncopyable
|
|
}
|
|
|
|
fn test0(f: Foo, g: Noncopyable, h: Noncopyable) {
|
|
// just copy implicitly copyable fields from `f`, no moves:
|
|
let _b = Foo {moved: Box::new(1), noncopyable: g, ..f};
|
|
let _c = Foo {moved: Box::new(2), noncopyable: h, ..f};
|
|
}
|
|
|
|
fn test1(f: Foo, g: Noncopyable, h: Noncopyable) {
|
|
// copying move-by-default fields from `f`, so move:
|
|
let _b = Foo {noncopyable: g, ..f};
|
|
let _c = Foo {noncopyable: h, ..f}; //~ ERROR use of moved value: `f.moved`
|
|
}
|
|
|
|
fn main() {}
|