Or

Logical functions or (||)

syntax

• or(condition1 ,.., conditionn)
• condition1 || condition2

definition

or(condition1 ,.., conditionn) or condition1 || condition2 combines two or more conditions or results in true values if any condition is true and in false values if all conditions are 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 items of any domain).

example

1. attribute<bool> condA_or_condB (LDomain) := or(condA, condB);
2. attribute<bool> condA_or_condB (LDomain) := condA && condB;

condA	condB	condA_or_condB
False	False	False
False	True	True
True	False	True
True	True	True

LDomain, nr of rows = 4

see also

• and (&&)
• not (!)