sort-by ( ... seq quot: ( ... elt -- ... key ) -- ... sortedseq )
Factor handbook » The language » Collections » Sequence operations » Sorting sequences

Prev:	inv-sort ( seq -- sortedseq )
Next:	inv-sort-by ( ... seq quot: ( ... elt -- ... key ) -- ... sortedseq )

Vocabulary
sorting

Inputs

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

Outputs

sortedseq

a new sorted sequence

Word description
Sorts the elements of seq by applying compare with quot to each pair of elements in the sequence.

See also
compare, sort, inv-sort-by, sort-keys, sort-values

Definition

USING: kernel math.order ;

IN: sorting

: sort-by
    ( ... seq quot: ( ... elt -- ... key ) -- ... sortedseq )
    [ compare ] curry sort-with ; inline