Operator Or= (Inclusive Disjunction And Assign)

FreeBASIC

Operator Or= (Inclusive Disjunction And Assign)
 
Performs a bitwise-or (inclusive disjunction) and assigns the result to a variable

Syntax

Declare Operator Or= ( ByRef lhs As T1, ByRef rhs As T2 )

Usage

lhs Or= rhs

Parameters

lhs
The variable to assign to.
T1
Any numeric or boolean type.
rhs
The value to perform a bitwise-or (inclusive disjunction) with lhs.
T2
Any numeric or boolean type.

Description

This operator performs a bitwise-or and assigns the result to a variable (for conversion of a boolean to an integer, false or true boolean value becomes 0 or -1 integer value). It is functionally equivalent to:

lhs = lhs Or rhs

Or= compares each bit of its operands, lhs and rhs, and if either bits are 1, then the corresponding bit in the first operand, lhs, is set to 1, otherwise it is set to 0.

This operator can be overloaded for user-defined types.

Example

Dim As UByte a = &b00110011
Dim As UByte b = &b01010101
a Or= b
'' Result    a = &b01110111
Print Bin(a)


Dialect Differences

  • In the -lang qb dialect, this operator cannot be overloaded.

Differences from QB

  • New to FreeBASIC

See also