flatten ( obj -- seq )
Factor handbook » The language » Collections » Sequence operations » Deep sequence combinators

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

Vocabulary
sequences.deep

Inputs

obj

an object

Outputs

seq	a sequence

Word description
Creates a sequence of all of the leaf nodes (non-sequence nodes, but including strings and numbers) in the object.

Definition

IN: sequences.deep

: flatten ( obj -- seq ) [ branch? ] deep-reject ;