Match

Syntax

Braces are required.

val user_id = POST::get("user_id")
╰╴No statement matched

match user_id
case Some(id) { print("user_id exists: {id}") }
case None { print("user_id doesn't exist") }

match user_id
case Some(id) {
  print("user_id exists: {id}")
}
case None {
  print("user_id doesn't exist")
}

match user_id
case Some(id) if id > 0 {
  print("user_id exists: {id}")
}
else {
  print("user_id has other values ")
}

match customer_id
case 1, 2, 3 {
  print("special discount for our first 3 customers!")
}
else {
  print("hello dear")
}

match customer*id
| 1 | 2 | 3 {
  print("ehhhh")
}
| 4 | 5 {
  print("ohhh")
}
| * {
  print("???")
}
thp