And
logical-functions and (&&)
syntax
- and(condition1 ,.., conditionn)
- condition1 && condition2
definition
and(condition1 ,.., conditionn) or condition1 && condition2 combines two or more conditions and results in true values if all conditions are true and in false values if any condition is false.
applies to
- condition1 .. conditionn data items with bool value-type
conditions
The conditions need to match with regard to their domain-unit or be void (literals or parameters can be combined with data itemsof any domain).
example
1. attribute<bool> condA_and_condB (LDomain) := and(condA, condB);
2. attribute<bool> condA_and_condB (LDomain) := condA && condB;
condA | condB | condA_and_condB |
---|---|---|
False | False | False |
False | True | False |
True | False | False |
True | True | True |
LDomain, nr of rows = 4