mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-07 22:24:06 +00:00
49 lines
1.5 KiB
Rust
49 lines
1.5 KiB
Rust
// 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());
|
|
}
|