crayon 0.7.1

A small, portable and extensible game framework.
Documentation 
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use std::any::Any;
use std::io;
use std::io::prelude::*;
use std::panic::{self, AssertUnwindSafe};
use std::process;
use std::thread;

/// Executes `f` and captures any panic, translating that panic into a
/// `Err` result. The assumption is that any panic will be propagated
/// later with `resume_unwinding`, and hence `f` can be treated as
/// exception safe.
pub fn halt_unwinding<F, R>(func: F) -> thread::Result<R>
where
    F: FnOnce() -> R,
{
    panic::catch_unwind(AssertUnwindSafe(func))
}

pub fn resume_unwinding(payload: Box<Any + Send>) -> ! {
    panic::resume_unwind(payload)
}

pub struct AbortIfPanic;

impl Drop for AbortIfPanic {
    fn drop(&mut self) {
        writeln!(&mut io::stderr(), "detected unexpected panic; aborting").unwrap();
        process::abort();
    }
}