rust/compiler/rustc_codegen_gcc/tests/run/slice.rs

37 lines
559 B
Rust

// Compiler:
//
// Run-time:
// status: 0
// stdout: 5
#![feature(no_core, start)]
#![no_std]
#![no_core]
extern crate mini_core;
mod libc {
#[link(name = "c")]
extern "C" {
pub fn printf(format: *const i8, ...) -> i32;
}
}
static mut TWO: usize = 2;
fn index_slice(s: &[u32]) -> u32 {
unsafe {
s[TWO]
}
}
#[start]
fn main(mut argc: isize, _argv: *const *const u8) -> isize {
let array = [42, 7, 5];
unsafe {
libc::printf(b"%ld\n\0" as *const u8 as *const i8, index_slice(&array));
}
0
}