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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() {}
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