#[attr = MacroUse {arguments: UseAll}]
extern crate std;
#[prelude_import]
use ::std::prelude::rust_2015::*;
//@ compile-flags: -Zunpretty=hir
//@ check-pass
//@ edition: 2015

#[attr = Deprecation {deprecation: Deprecation {since: Unspecified}}]
struct PlainDeprecated;

#[attr = Deprecation {deprecation: Deprecation {since: Unspecified,
note: "here's why this is deprecated"}}]
struct DirectNote;

#[attr = Deprecation {deprecation: Deprecation {since: Unspecified,
note: "here's why this is deprecated"}}]
struct ExplicitNote;

#[attr = Deprecation {deprecation: Deprecation {since: NonStandard("1.2.3"),
note: "here's why this is deprecated"}}]
struct SinceAndNote;

#[attr = Deprecation {deprecation: Deprecation {since: NonStandard("1.2.3"),
note: "here's why this is deprecated"}}]
struct FlippedOrder;

fn f() {

    // Attribute is ignored here (with a warning), but still preserved in HIR
    #[attr = Deprecation {deprecation: Deprecation {since: Unspecified}}]
    0
}