52 lines
1.3 KiB
Rust
52 lines
1.3 KiB
Rust
// Copyright 2023 The Fuchsia Authors
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//
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// Licensed under a BSD-style license <LICENSE-BSD>, Apache License, Version 2.0
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// <LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0>, or the MIT
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// license <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your option.
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// This file may not be copied, modified, or distributed except according to
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// those terms.
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// See comment in `include.rs` for why we disable the prelude.
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#![no_implicit_prelude]
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#![allow(warnings)]
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include!("include.rs");
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#[derive(imp::Immutable)]
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enum Foo {
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A,
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}
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util_assert_impl_all!(Foo: imp::Immutable);
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#[derive(imp::Immutable)]
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enum Bar {
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A = 0,
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}
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util_assert_impl_all!(Bar: imp::Immutable);
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#[derive(imp::Immutable)]
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enum Baz {
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A = 1,
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B = 0,
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}
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util_assert_impl_all!(Baz: imp::Immutable);
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// Deriving `Immutable` should work if the enum has bounded parameters.
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#[derive(imp::Immutable)]
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#[repr(C)]
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enum WithParams<'a: 'b, 'b: 'a, T: 'a + 'b + imp::Immutable, const N: ::core::primitive::usize>
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where
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'a: 'b,
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'b: 'a,
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T: 'a + 'b + imp::Immutable,
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{
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Variant([T; N], imp::PhantomData<&'a &'b ()>),
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UnsafeCell(imp::PhantomData<imp::UnsafeCell<()>>, &'a imp::UnsafeCell<()>),
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}
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util_assert_impl_all!(WithParams<'static, 'static, u8, 42>: imp::Immutable);
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