2dup ( x y -- x y x y ) (original) (raw)
2dup ( x y -- x y x y )
Factor handbook » Guided tour of Factor » Stack Shuffling
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Vocabulary
kernel
Word description
This is a shuffle word, rearranging the top of the datastack as indicated by the word's stack effect: ( x y -- x y x y ).
Definition
PRIMITIVE: 2dup ( x y -- x y x y )