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Add std::panic::panic_box.

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This commit is contained in:
Mara Bos 2020-07-22 12:17:36 +02:00
parent dda2b5e3e2
commit 01b0aff1df
1 changed files with 14 additions and 0 deletions
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14
library/std/src/panic.rs
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@ -23,6 +23,20 @@ pub use crate::panicking::{set_hook, take_hook};
#[stable(feature = "panic_hooks", since = "1.10.0")] #[stable(feature = "panic_hooks", since = "1.10.0")]
pub use core::panic::{Location, PanicInfo}; pub use core::panic::{Location, PanicInfo};
/// Panic the current thread, with the given payload as the panic message.
///
/// This supports an arbitrary panic payload, instead of just (formatted) strings.
///
/// The message is attached as a `Box<'static + Any + Send>`, which can be
/// accessed using [`PanicInfo::payload`].
///
/// See the [`panic!`] macro for more information about panicking.
#[unstable(feature = "panic_box", issue = "none")]
#[inline]
pub fn panic_box<M: Any + Send>(msg: M) -> ! {
crate::panicking::begin_panic(msg);
}
/// A marker trait which represents "panic safe" types in Rust. /// A marker trait which represents "panic safe" types in Rust.
/// ///
/// This trait is implemented by default for many types and behaves similarly in /// This trait is implemented by default for many types and behaves similarly in