e575d19acc
Saying that a type *implements* a trait is much more idiomatic than saying it *defines* the trait.
29 lines
796 B
Rust
29 lines
796 B
Rust
// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
|
|
// file at the top-level directory of this distribution and at
|
|
// http://rust-lang.org/COPYRIGHT.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
|
|
struct X {
|
|
x: String,
|
|
}
|
|
|
|
impl Drop for X {
|
|
fn drop(&mut self) {
|
|
println!("value: {}", self.x);
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
let x = X { x: "hello".to_string() };
|
|
|
|
match x {
|
|
X { x: y } => println!("contents: {}", y)
|
|
//~^ ERROR cannot move out of type `X`, which implements the `Drop` trait
|
|
}
|
|
}
|