"The quotation begins with an empty data stack, an empty catch stack, and a name stack containing the global namespace only. This means that the only way to pass data to the quotation is to partially apply the data, for example using " { $link curry } " or " { $link compose } "." } ;
{ $description "Waits for a deferred computation to complete, blocking indefinitely if " { $snippet "timeout" } " is " { $link f } ", otherwise waiting up to the " { $snippet "timeout" } " before throwing an error." }
{ $errors "Throws an error if the timeout expires before the computation completes. Also throws an error if the future quotation threw an error." } ;
HELP:?future
{ $values { "future" future } { "value"object } }
{ $description "Waits for a deferred computation to complete, blocking indefinitely." }
{ $errors "Throws an error if future quotation threw an error." } ;
ARTICLE: "concurrency.futures""Futures"
"The " { $vocab-link "concurrency.futures" } " vocabulary implements " { $emphasis "futures" } ", which are deferred computations performed in a background thread. A thread may create a future, then proceed to perform other tasks, then later wait for the future to complete."
