<lazy> ( quot -- lazy )

Vocabulary

lazy

Inputs

quot	a quotation with stack effect ( -- x )

Outputs

lazy

a lazy

Word description

Creates a lazy to return a value. When forced this quotation is called and the value returned. The value is memoized so that calling force again does not call the quotation again, instead the previous value is returned directly.

Definition

USING: kernel ;

IN: lazy

: <lazy> ( quot -- lazy ) +unforced+ f lazy boa ;