rustc/vendor/displaydoc-0.2.5/tests/std/without.rs
2024-09-09 14:07:22 +02:00

29 lines
671 B
Rust

#![cfg_attr(not(feature = "std"), allow(internal_features), feature(lang_items, start))]
#![cfg_attr(not(feature = "std"), no_std)]
#[cfg_attr(not(feature = "std"), start)]
fn start(_argc: isize, _argv: *const *const u8) -> isize {
0
}
#[lang = "eh_personality"]
#[no_mangle]
#[cfg(not(feature = "std"))]
pub extern "C" fn rust_eh_personality() {}
#[panic_handler]
#[cfg(not(feature = "std"))]
fn panic(_info: &core::panic::PanicInfo) -> ! {
unsafe {
libc::abort();
}
}
use displaydoc::Display;
/// this type is pretty swell
struct FakeType;
static_assertions::assert_impl_all!(FakeType: core::fmt::Display);
#[cfg(feature = "std")]
fn main() {}