use std/io.print
func greet(user: User): void! {
let name = user.display.name() otherwise { "guest" }
let tone = match user.presence {
Presence.online { "hello" }
Presence.away { "welcome back" }
}
print("${tone}, ${name}\n")?
}
interface Writer {
pub method &+self.write(bytes: &[u8]): void!
}
func save_log(output: &+Writer, events: &[Event]): void! {
for event in events {
output.write(event.message().bytes())?
output.write("\n".bytes())?
}
}
pub struct Session {
id: SessionId
user: User
expires_at: Time
}
pub func Session.start(user: User, clock: &Clock): Session {
return Session {
id: SessionId.new(),
user: move user,
expires_at: clock.now().plus_minutes(30),
}
}
func consume(values: Vec<String>): void! {
for value in move values {
print(&value as &str)?
}
}
construct NonEmptyList<T> {
pub default literal [](...items: T): Self from items {
var list = Self.new()
for item in items {
list.push(move item)
}
return move list
}
}
