preserving ( quot -- )
Factor handbook » The language » Combinators » Smart combinators

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Vocabulary
combinators.smart

Inputs

quot	a quotation

Outputs
None

Word description
Calls a quotation and leaves any consumed inputs on the stack beneath the quotation's outputs.

Examples

USING: combinators.smart kernel math prettyprint ; 1 2 [ + ] preserving [ . ] tri@
1 2 3

Definition

USING: generalizations kernel ;

IN: combinators.smart

: preserving ( quot -- ) [ inputs ndup ] [ call ] bi ; inline