find-permutation ( ... seq quot: ( ... elt -- ... ? ) -- ... elt/f )

Vocabulary

math.combinatorics

Inputs

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

Outputs

elt/f

an object

Definition

USING: kernel math.combinatorics.private sequences ;

IN: math.combinatorics

: find-permutation
    ( ... seq quot: ( ... elt -- ... ? ) -- ... elt/f )
    [ permutations-quot find drop ]
    [ drop over [ permutation ] [ 2drop f ] if ] 2bi ; inline