struct Syn::Core::Future(T)

• Syn::Core::Future(T)
• Struct
• Value
• Object

Overview

An object that will eventually hold a value.

Can be used to ask an Agent to compute a value asynchronously, while the current fiber continues to do other things, yet be able to retrieve or wait until the value is available.

TODO report a failure (with an optional exception)

Defined in:

core/future.cr

Constructors

• .new

Instance Method Summary

• #fail(error : Exception | String | Nil = nil) : Nil

  Report a failure when trying to resolve the future.

• #get(timeout : Time::Span) : T | Nil

  Blocks the current fiber until the value is resolved or timeout is reached, in which case it returns nil.

• #get : T

  Blocks the current fiber until the value is resolved.

• #get? : T | Nil

  Returns the value if it was resolved.

• #set(value : T) : T

  Sets the value and wakes up pending fibers.

Constructor Detail

Instance Method Detail