mirror of https://github.com/rust-lang/rust.git
49 lines
1.5 KiB
Rust
49 lines
1.5 KiB
Rust
// run-pass
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fn f1(ref_string: &str) -> String {
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match ref_string {
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"a" => "found a".to_string(),
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"b" => "found b".to_string(),
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_ => "not found".to_string()
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}
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}
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fn f2(ref_string: &str) -> String {
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match ref_string {
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"a" => "found a".to_string(),
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"b" => "found b".to_string(),
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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) -> String {
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match (ref_1, ref_2) {
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("a", "b") => "found a,b".to_string(),
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("b", "c") => "found b,c".to_string(),
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_ => "not found".to_string()
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}
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}
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fn g2(ref_1: &str, ref_2: &str) -> String {
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match (ref_1, ref_2) {
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("a", "b") => "found a,b".to_string(),
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("b", "c") => "found b,c".to_string(),
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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("b"), "found b".to_string());
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assert_eq!(f1("c"), "not found".to_string());
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assert_eq!(f1("d"), "not found".to_string());
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assert_eq!(f2("b"), "found b".to_string());
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assert_eq!(f2("c"), "not found (c)".to_string());
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assert_eq!(f2("d"), "not found (d)".to_string());
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assert_eq!(g1("b", "c"), "found b,c".to_string());
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assert_eq!(g1("c", "d"), "not found".to_string());
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assert_eq!(g1("d", "e"), "not found".to_string());
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assert_eq!(g2("b", "c"), "found b,c".to_string());
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assert_eq!(g2("c", "d"), "not found (c, d)".to_string());
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assert_eq!(g2("d", "e"), "not found (d, e)".to_string());
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}
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