2lazy-list ( a b -- lazy-cons )
Lazy lists » Constructing lazy lists

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Vocabulary
lists.lazy

Inputs

a	a quotation with stack effect ( -- X )
b	a quotation with stack effect ( -- X )

Outputs

lazy-cons

a lazy-cons object

Word description
Create a lazy list with 2 elements. The elements are the result of calling the quotations. The quotations are only called when the list elements are requested.

See also
1lazy-list, 3lazy-list

Definition

USING: quotations ;

IN: lists.lazy

: 2lazy-list ( a b -- lazy-cons )
    1lazy-list 1quotation lazy-cons ;