all? ( ... seq quot: ( ... elt -- ... ? ) -- ... ? )
Factor handbook » The language » Collections » Sequence operations » Sequence combinators

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Vocabulary
sequences

Inputs

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

Outputs

?

a boolean

Word description
Tests if all elements in the sequence satisfy the predicate by checking each element in turn. Given an empty sequence, vacuously outputs t.

See also
any?, none?

Definition

USING: math sequences.private ;

IN: sequences

: all? ( ... seq quot: ( ... elt -- ... ? ) -- ... ? )
    sequence-operator all-integers-from? ; inline