smart-when ( pred true -- )
Factor handbook » The language » Combinators » Smart combinators
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Vocabulary
combinators.smart

Inputs
preda quotation
truea quotation


Outputs
None

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

Definition
IN: combinators.smart

: smart-when ( pred true -- ) [ ] smart-if ; inline