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

48 lines
1.1 KiB
Rust

// Compiler:
//
// Run-time:
// status: 0
// stdout: Arg: 1
// Argument: 1
// String arg: 1
// Int argument: 2
// Both args: 11
#![feature(no_core)]
#![no_std]
#![no_core]
#![no_main]
extern crate mini_core;
use mini_core::*;
#[no_mangle]
extern "C" fn main(argc: isize, _argv: *const *const u8) -> i32 {
let string = "Arg: %d\n\0";
let mut closure = || unsafe {
libc::printf(string as *const str as *const i8, argc);
};
closure();
let mut closure = || unsafe {
libc::printf("Argument: %d\n\0" as *const str as *const i8, argc);
};
closure();
let mut closure = |string| unsafe {
libc::printf(string as *const str as *const i8, argc);
};
closure("String arg: %d\n\0");
let mut closure = |arg: isize| unsafe {
libc::printf("Int argument: %d\n\0" as *const str as *const i8, arg);
};
closure(argc + 1);
let mut closure = |string, arg: isize| unsafe {
libc::printf(string as *const str as *const i8, arg);
};
closure("Both args: %d\n\0", argc + 10);
0
}