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// issue #46314
#![feature(decl_macro)]
#[derive(Debug)]
struct NonCopy(String);
struct Foo {
x: NonCopy,
}
macro copy_modern($foo: ident) {
$foo.x
}
macro_rules! copy_legacy {
($foo: ident) => {
$foo.x //~ ERROR use of moved value: `foo.x`
}
}
fn assert_two_copies(a: NonCopy, b: NonCopy) {
println!("Got two copies: {:?}, {:?}", a, b);
}
fn main() {
let foo = Foo { x: NonCopy("foo".into()) };
assert_two_copies(copy_modern!(foo), foo.x); //~ ERROR use of moved value: `foo.x`
assert_two_copies(copy_legacy!(foo), foo.x); //~ ERROR use of moved value: `foo.x`
}
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