none? ( ... seq quot: ( ... elt -- ... ? ) -- ... ? )

Vocabulary

sequences

Inputs

seq	a sequence
quot	a quotation with stack effect ( ... elt -- ... ? )

Outputs

?

a boolean

Word description

Tests if the sequence does not contain any element satisfying the predicate, by applying the predicate to each element in turn until a true value is found. If the sequence is empty or if the end of the sequence is reached, outputs t.

Definition

USING: kernel ;

IN: sequences

: none? ( ... seq quot: ( ... elt -- ... ? ) -- ... ? )
    any? not ; inline