?second ( seq -- elt/f )
Factor handbook » The language » Collections » Sequence operations » Accessing sequence elements

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Vocabulary
sequences

Inputs

seq	a sequence

Outputs

elt/f

an object or f

Word description
A forgiving version of second. If the sequence has less than two elements, or if the sequence is f, simply outputs f.

Definition

USING: kernel ;

IN: sequences

: ?second ( seq -- elt/f ) 1 swap ?nth ; inline