Language ReferenceImp Operator

 See Also
Description
Used to perform a logical implication on two expressions.

Syntax

result = expression1 Imp expression2

The Imp operator syntax has these parts:

Part Description
result Any numeric variable.
expression1 Any expression.
expression2 Any expression.

Remarks
The following table illustrates how result is determined:

If expression1 is And expression2 is The result is
True True True
True False False
True Null Null
False True True
False False True
False Null True
Null True True
Null False Null
Null Null Null

The Imp operator performs a bit-wise comparison ^ Operator of identically positioned bits in two numeric expressions and sets the corresponding bit in result according to the following truth table:

If bit in expression1 is And bit in expression2 is The result is
0 0 1
0 1 1
1 0 0
1 1 1