class Promise::DeferredPromise(Input)

• Promise::DeferredPromise(Input)
• Promise
• Reference
• Object

Direct Known Subclasses

• Promise::RejectedPromise(Input)
• Promise::ResolvedPromise(Input)

Defined in:

Constructors

• .new

Instance Method Summary

• #catch(&errback : Exception -> _)

  Callback to execute if an error occurs

• #finally(&callback : Exception | Nil -> _)
• #get : Input

  pause the current fiber and wait for the resolution to occur

• #raw_value
• #reject(reason)
• #resolve(value)
• #resolved?

  Has the promise value been resolved?

• #then(callback : Input -> _, errback : Exception -> _)
• #then(&callback : Input -> _)

  Callback to be executed once the value is available

• #then : DeferredPromise(Nil)

  Used to create a generic promise if all we care about is success or failure

• #type : Class

  Interfaces available to generic types

• #type_var

  A cool hack to grab the promise type

Constructor Detail

Instance Method Detail