listo

Vocabulary

logic

Variable description

A logic predicate. Takes a single argument and checks to see if it is a list.

Syntax

{ listo X }

Examples

USING: logic lists prettyprint ; IN: scratchpad SYMBOLS: Tom Jerry Nibbles ; { listo L{ Jerry Nibbles } } query . { listo Tom } query .
t f

Variable value

Current value in global namespace:

T{ logic-pred f "listo" ~vector~ }

Definition

IN: logic

SYMBOL: listo inline