33 lines
790 B
Rust
33 lines
790 B
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![feature(unsafe_destructor)]
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extern crate serialize;
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use std::fmt;
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use serialize::{Encoder, Encodable};
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use serialize::json;
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struct Foo<T> {
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v: T,
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}
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#[unsafe_destructor]
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impl<T: Encodable> Drop for Foo<T> {
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fn drop(&mut self) {
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json::encode(&self.v);
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}
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}
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fn main() {
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let _ = Foo { v: 10 };
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}
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