Documentação Real

Sintaxe

RealSignal.Once(signal: RealSignal, callback: (....any) -> ()): RealSignalConnection

Argumentos

Nome	Tipo	Descrição
`signal`	`RealSignal`	Signal object returned by Signal.new.
`callback`	`(....any) -> ()`	Function called at most once for this connection.

Retornos

Nome	Tipo	Descrição
`connection`	`RealSignalConnection`	Connection object with Disconnect.

Descrição

Connects a callback that is disconnected before its first callback invocation. The callback receives the arguments passed to Fire.

Chame com 2 parametro(s): signal, callback. A tabela de argumentos explica quais valores sao obrigatorios e quais refinam o comportamento.

Retorna connection (RealSignalConnection). Use a tabela de retornos para separar valores bem sucedidos, nil e erros recuperaveis.

Exemplo

Connect a callback that runs at most once.

local signal = Signal.new()

signal:Once(function(value)
    print(value)
end)

signal:Fire("first")
signal:Fire("second")

Tipos

RealSignal

Signal object returned by Signal.new.

Connect (callback: (...any) -> ()) -> RealSignalConnection Adds a callback that runs when Fire is called.Once (callback: (...any) -> ()) -> RealSignalConnection Adds a callback that is disconnected before its first callback invocation.Wait () -> ...any Yields until Fire resumes the waiter with the fired values.Fire (...values: any) -> () Runs connected callbacks and resumes waiters with the provided values.

RealSignalConnection

Connection object returned by RealSignal.Connect and RealSignal.Once.

Disconnect () -> () Disconnects the connection.