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#![feature(start, box_syntax, alloc_system, core_intrinsics, alloc_prelude, alloc_error_handler)]
#![no_std]
extern crate alloc;
extern crate alloc_system;
use alloc::prelude::v1::*;
use alloc_system::System;
#[global_allocator]
static ALLOC: System = System;
#[cfg_attr(unix, link(name = "c"))]
#[cfg_attr(target_env = "msvc", link(name = "msvcrt"))]
extern "C" {
fn puts(s: *const u8) -> i32;
}
#[panic_handler]
fn panic_handler(_: &core::panic::PanicInfo) -> ! {
core::intrinsics::abort();
}
#[alloc_error_handler]
fn alloc_error_handler(_: alloc::alloc::Layout) -> ! {
core::intrinsics::abort();
}
#[start]
fn main(_argc: isize, _argv: *const *const u8) -> isize {
let world: Box<&str> = box "Hello World!\0";
unsafe {
puts(*world as *const str as *const u8);
}
0
}
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