deep-each ( ... obj quot: ( ... elt -- ... ) -- ... )
Factor handbook » The language » Collections » Sequence operations » Deep sequence combinators

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deep-map ( ... obj quot: ( ... elt -- ... elt' ) -- ... newobj )

Vocabulary
sequences.deep

Inputs

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

Outputs
None

Word description
Execute a quotation on each nested element of an object and its children, in preorder.

See also
each

Definition

USING: kernel sequences ;

IN: sequences.deep

: deep-each ( ... obj quot: ( ... elt -- ... ) -- ... )
    [ call ] 2keep over branch?
    [ [ deep-each ] curry each ] [ 2drop ] if ; inline recursive