1 // Copyright 2013 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 #![allow(unnecessary_allocation)]
13 fn f1(ref_string: &str) -> String {
15 "a" => "found a".to_string(),
16 "b" => "found b".to_string(),
17 _ => "not found".to_string()
21 fn f2(ref_string: &str) -> String {
23 "a" => "found a".to_string(),
24 "b" => "found b".to_string(),
25 s => format!("not found ({})", s)
29 fn g1(ref_1: &str, ref_2: &str) -> String {
30 match (ref_1, ref_2) {
31 ("a", "b") => "found a,b".to_string(),
32 ("b", "c") => "found b,c".to_string(),
33 _ => "not found".to_string()
37 fn g2(ref_1: &str, ref_2: &str) -> String {
38 match (ref_1, ref_2) {
39 ("a", "b") => "found a,b".to_string(),
40 ("b", "c") => "found b,c".to_string(),
41 (s1, s2) => format!("not found ({}, {})", s1, s2)
46 assert_eq!(f1("b"), "found b".to_string());
47 assert_eq!(f1("c"), "not found".to_string());
48 assert_eq!(f1("d"), "not found".to_string());
49 assert_eq!(f2("b"), "found b".to_string());
50 assert_eq!(f2("c"), "not found (c)".to_string());
51 assert_eq!(f2("d"), "not found (d)".to_string());
52 assert_eq!(g1("b", "c"), "found b,c".to_string());
53 assert_eq!(g1("c", "d"), "not found".to_string());
54 assert_eq!(g1("d", "e"), "not found".to_string());
55 assert_eq!(g2("b", "c"), "found b,c".to_string());
56 assert_eq!(g2("c", "d"), "not found (c, d)".to_string());
57 assert_eq!(g2("d", "e"), "not found (d, e)".to_string());