smart-unless ( pred false -- )
Factor handbook » The language » Combinators » Smart combinators

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Vocabulary
combinators.smart

Inputs

pred	a quotation
false	a quotation

Outputs
None

Word description
A version of unless that takes two quotations, where the first quotation is a predicate that preserves any inputs it consumes and the second is the false branch.

Definition

USING: kernel ;

IN: combinators.smart

: smart-unless ( pred false -- ) [ [ ] ] dip smart-if ; inline