src/test/ui/traits/no_send-struct.rs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

#![feature(negative_impls)]

use std::marker::Send;

struct Foo {
    a: isize,
}

impl !Send for Foo {}

fn bar<T: Send>(_: T) {}

fn main() {
    let x = Foo { a: 5 };
    bar(x);
    //~^ ERROR `Foo` cannot be sent between threads safely
}