32 lines
825 B
Rust
32 lines
825 B
Rust
// Copyright 2014 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 StringBuffer {
|
|
s: ~str
|
|
}
|
|
|
|
impl StringBuffer {
|
|
pub fn append(&mut self, v: &str) {
|
|
self.s.push_str(v);
|
|
}
|
|
}
|
|
|
|
fn to_str(sb: StringBuffer) -> ~str {
|
|
sb.s
|
|
}
|
|
|
|
pub fn main() {
|
|
let mut sb = StringBuffer {s: ~""};
|
|
sb.append("Hello, ");
|
|
sb.append("World!");
|
|
let str = to_str(sb);
|
|
assert_eq!(str, ~"Hello, World!");
|
|
}
|