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rust/tests/rustdoc/const-intrinsic.rs

32 lines
966 B
Rust

#![feature(intrinsics, rustc_attrs)]
#![feature(staged_api)]
#![crate_name = "foo"]
#![stable(since="1.0.0", feature="rust1")]
//@ has 'foo/fn.transmute.html'
//@ has - '//pre[@class="rust item-decl"]' 'pub const unsafe fn transmute<T, U>(_: T) -> U'
#[stable(since="1.0.0", feature="rust1")]
#[rustc_const_stable(feature = "const_transmute", since = "1.56.0")]
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub const unsafe fn transmute<T, U>(_: T) -> U {
loop {}
}
//@ has 'foo/fn.unreachable.html'
//@ has - '//pre[@class="rust item-decl"]' 'pub unsafe fn unreachable() -> !'
#[stable(since="1.0.0", feature="rust1")]
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub unsafe fn unreachable() -> ! {
loop {}
}
extern "C" {
//@ has 'foo/fn.needs_drop.html'
//@ has - '//pre[@class="rust item-decl"]' 'pub unsafe extern "C" fn needs_drop() -> !'
#[stable(since="1.0.0", feature="rust1")]
pub fn needs_drop() -> !;
}