Manual

123
known
known
Description
Determines whether or not a given key exists within a given dictionary.
Usage
AnyDict KeyAny known Bool
AnyDict Dictionary. Dictionary object to search for KeyAny.
KeyAny Any. Key object for which to search in AnyDict.
Bool Boolean. A value of true indicates that PAL found KeyAny within AnyDict. A
value of false indicates that PAL did not find KeyAny within AnyDict.
Comments
The
get
operator generates an error if the specified key object does not exist within the specified
dictionary. If the programmer does not already know that a key exists within a given dictionary, the
programmer should test for the key using the known operator before using the get operator.