minimal_rust_binary.rs

minimal_rust_binary.rs

#![feature(no_core)]
#![feature(lang_items)]
#![feature(optin_builtin_traits, link_args, start)]

#![no_std]
#![no_core]

// Compiler needs these to proceed
#[lang = "sized"]
pub trait Sized {}
#[lang = "copy"]
pub trait Copy {}
#[lang = "freeze"]
auto trait Freeze {}

#[start]
fn start(argc: isize, _argv: *const *const u8) -> isize {
    argc
}