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Rollup merge of #105784 - yanns:update_stdarch, r=Amanieu
[rust.git] / tests / run-make / fmt-write-bloat / main.rs
1 #![feature(lang_items)]
2 #![feature(start)]
3 #![no_std]
4
5 use core::fmt;
6 use core::fmt::Write;
7
8 #[link(name = "c")]
9 extern "C" {}
10
11 struct Dummy;
12
13 impl fmt::Write for Dummy {
14     #[inline(never)]
15     fn write_str(&mut self, _: &str) -> fmt::Result {
16         Ok(())
17     }
18 }
19
20 #[start]
21 fn main(_: isize, _: *const *const u8) -> isize {
22     let _ = writeln!(Dummy, "Hello World");
23     0
24 }
25
26 #[lang = "eh_personality"]
27 fn eh_personality() {}
28
29 #[panic_handler]
30 fn panic(_: &core::panic::PanicInfo) -> ! {
31     loop {}
32 }