deque-member? ( value deque -- ? )
Factor handbook » The language » Collections » Deques

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Vocabulary
deques

Inputs

value	an object
deque	a deque

Outputs

?

a boolean

Word description
Returns true if the value is found in the deque.

Definition

IN: deques

GENERIC: deque-member? ( value deque -- ? )

Methods

USING: deques dlists kernel ;

M: dlist deque-member? [ = ] with dlist-any? ;


USING: accessors assocs deques search-deques ;

M: search-deque deque-member? assoc>> key? ;