89 lines
1.3 KiB
Go
89 lines
1.3 KiB
Go
enum Color{
|
|
red, green, blue
|
|
}
|
|
|
|
fn test_match_integers() {
|
|
// a := 3
|
|
// mut b := 0
|
|
// match a {
|
|
// 2 => println('two')
|
|
// 3 => println('three')
|
|
// b = 3
|
|
// 4 => println('four')
|
|
// else => println('???')
|
|
// }
|
|
// assert b == 3
|
|
|
|
assert match 2 {
|
|
1 => {2}
|
|
2 => {3}
|
|
else => {5}
|
|
} == 3
|
|
|
|
assert match 0 {
|
|
1 => {2}
|
|
2 => {3}
|
|
else => 5
|
|
} == 5
|
|
|
|
assert match 1 {
|
|
else => {5}
|
|
} == 5
|
|
|
|
mut a := 0
|
|
match 2 {
|
|
0 => {a = 1}
|
|
1 => {a = 2}
|
|
else => {
|
|
a = 3
|
|
println('a is $a')
|
|
}
|
|
}
|
|
assert a == 3
|
|
|
|
a = 0
|
|
match 1 {
|
|
0 => {a = 1}
|
|
1 => {
|
|
a = 2
|
|
a = a + 2
|
|
a = a + 2
|
|
}
|
|
}
|
|
assert a == 6
|
|
|
|
a = 0
|
|
match 1 {
|
|
else => {
|
|
a = -2
|
|
}
|
|
}
|
|
assert a == -2
|
|
}
|
|
|
|
fn test_match_enums(){
|
|
mut b := Color.red
|
|
match b{
|
|
.red => {
|
|
b = .green
|
|
}
|
|
.green => {b = .blue}
|
|
else => {
|
|
println('b is ${b.str()}')
|
|
b = .red
|
|
}
|
|
}
|
|
assert b == .green
|
|
|
|
match b{
|
|
.red => {
|
|
b = .green
|
|
}
|
|
else => {
|
|
println('b is ${b.str()}')
|
|
b = .blue
|
|
}
|
|
}
|
|
assert b == .blue
|
|
}
|