[ Recorded Database | The ECLiPSe Built-In Predicates | Reference Manual | Alphabetic Index ]
recordz(+Key, ?Value)
Records the term Value at the end of key Key in the indexed database.
- +Key
- An atom or compound term.
- ?Value
- Any prolog term.
Description
Used to record any prolog term Value at the end of the indexed database
entry associated with the key Key. A synonym for record/2. In the case
of compound terms, all keys of the same name and arity are treated as
equal.
If backtracking occurs through the call of recordz/2 the associated
Value is not removed from the indexed database.
Fail Conditions
None.
Resatisfiable
No.
Exceptions
- (4) instantiation fault
- Key is not instantiated.
- (5) type error
- Key is neither an atom nor a compound term.
Examples
Success:
[eclipse]: recordz(whiskey,jameson),
> recordz(whiskey,[scotch,irish,canadian,american]),
> recordz(whiskey,bushmills).
yes.
[eclipse]: recorded(whiskey,Value).
Value = jameson More (;)
Value = [scotch,irish,canadian,american] More (;)
Value = bushmills More (;)
no (more) solution.
recordz(a(compound,term),value1).
recordz([a,compound,term],value2).
Error:
recordz(Key, anything). (Error 4)
recordz("key",anything). (Error 5)
recordz(1,anything). (Error 5)
See Also
record / 2, recorda / 2