标签:http io os sp java on 2014 问题 ad
extern crate libc; use libc::c_int; enum Hello{ Req = 1i, Pub = 2i, } impl Hello{ fn to_raw(&self) -> c_int{ *self as c_int } } fn main() { println!("Hello, world!") println!("{}", Hello::Pub.to_raw()); } <!-- lang: shell --> <anon>:16:9: 16:14 error: cannot move out of dereference of `&`-pointer <anon>:16 *self as c_int ^~~~~ error: aborting due to previous error playpen: application terminated with error code 101
今天编译 nanomsg ,出错了,喔喔。
42<> 21:30:12 在群里解释到:
最新版的Copy Trait变成opt-in了,必须手动给类型实现Copy
不然*self这种会报错
好吧, 尝试了一下 :你可以#[deriving(Copy)]
然后就没问题了
标签:http io os sp java on 2014 问题 ad
原文地址:http://my.oschina.net/innovation/blog/356035