mod confinment { use std::os::raw::{c_char}; extern "C" { pub fn puts(txt: *const c_char); } } pub fn main() { unsafe { confinment::puts( std::ffi::CString::new("Hello, world!").expect("failed!").as_ptr() ); } }
50种编程语言，一句 “Hello, World”！展现编程语言七十年发展！
原文：https://www.cnblogs.com/huya-edu/p/13745330.html