promise-fulfilled? ( promise -- ? )

Vocabulary

concurrency.promises

Inputs

promise

a promise

Outputs

?

a boolean

Word description

Tests if fulfill has previously been called on the promise, in which case ?promise will return immediately without blocking.

Definition

USING: accessors concurrency.mailboxes kernel ;

IN: concurrency.promises

: promise-fulfilled? ( promise -- ? )
    mailbox>> mailbox-empty? not ;