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// run-pass
fn f1(ref_string: &str) -> String {
match ref_string {
"a" => "found a".to_string(),
"b" => "found b".to_string(),
_ => "not found".to_string()
}
}
fn f2(ref_string: &str) -> String {
match ref_string {
"a" => "found a".to_string(),
"b" => "found b".to_string(),
s => format!("not found ({})", s)
}
}
fn g1(ref_1: &str, ref_2: &str) -> String {
match (ref_1, ref_2) {
("a", "b") => "found a,b".to_string(),
("b", "c") => "found b,c".to_string(),
_ => "not found".to_string()
}
}
fn g2(ref_1: &str, ref_2: &str) -> String {
match (ref_1, ref_2) {
("a", "b") => "found a,b".to_string(),
("b", "c") => "found b,c".to_string(),
(s1, s2) => format!("not found ({}, {})", s1, s2)
}
}
pub fn main() {
assert_eq!(f1("b"), "found b".to_string());
assert_eq!(f1("c"), "not found".to_string());
assert_eq!(f1("d"), "not found".to_string());
assert_eq!(f2("b"), "found b".to_string());
assert_eq!(f2("c"), "not found (c)".to_string());
assert_eq!(f2("d"), "not found (d)".to_string());
assert_eq!(g1("b", "c"), "found b,c".to_string());
assert_eq!(g1("c", "d"), "not found".to_string());
assert_eq!(g1("d", "e"), "not found".to_string());
assert_eq!(g2("b", "c"), "found b,c".to_string());
assert_eq!(g2("c", "d"), "not found (c, d)".to_string());
assert_eq!(g2("d", "e"), "not found (d, e)".to_string());
}
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