63 lines
1.9 KiB
Rust
63 lines
1.9 KiB
Rust
// Copyright 2013 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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#[allow(unnecessary_allocation)];
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fn f1(ref_string: &str) -> ~str {
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match ref_string {
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"a" => ~"found a",
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"b" => ~"found b",
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_ => ~"not found"
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}
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}
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fn f2(ref_string: &str) -> ~str {
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match ref_string {
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"a" => ~"found a",
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"b" => ~"found b",
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s => format!("not found ({})", s)
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}
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}
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fn g1(ref_1: &str, ref_2: &str) -> ~str {
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match (ref_1, ref_2) {
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("a", "b") => ~"found a,b",
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("b", "c") => ~"found b,c",
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_ => ~"not found"
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}
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}
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fn g2(ref_1: &str, ref_2: &str) -> ~str {
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match (ref_1, ref_2) {
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("a", "b") => ~"found a,b",
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("b", "c") => ~"found b,c",
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(s1, s2) => format!("not found ({}, {})", s1, s2)
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}
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}
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pub fn main() {
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assert_eq!(f1(@"a"), ~"found a");
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assert_eq!(f1(~"b"), ~"found b");
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assert_eq!(f1(&"c"), ~"not found");
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assert_eq!(f1("d"), ~"not found");
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assert_eq!(f2(@"a"), ~"found a");
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assert_eq!(f2(~"b"), ~"found b");
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assert_eq!(f2(&"c"), ~"not found (c)");
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assert_eq!(f2("d"), ~"not found (d)");
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assert_eq!(g1(@"a", @"b"), ~"found a,b");
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assert_eq!(g1(~"b", ~"c"), ~"found b,c");
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assert_eq!(g1(&"c", &"d"), ~"not found");
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assert_eq!(g1("d", "e"), ~"not found");
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assert_eq!(g2(@"a", @"b"), ~"found a,b");
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assert_eq!(g2(~"b", ~"c"), ~"found b,c");
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assert_eq!(g2(&"c", &"d"), ~"not found (c, d)");
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assert_eq!(g2("d", "e"), ~"not found (d, e)");
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}
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