FBWiki: KeyPgOpCombineAdd

Operator += (Add and Assign)

Adds and assigns a value to a variable

Syntax:declare operator += ( byref lhs as T1, byref rhs as T2 ) declare operator += ( byref lhs as T ptr, byref rhs as integer ) declare operator += ( byref lhs as string, byref rhs as string ) declare operator += ( byref lhs as wstring, byref rhs as wstring )
Usage:lhs += rhs
Parameters:

lhs

The variable to assign to.

T1

Any numeric type.

rhs

The value to add to lhs.

T2

Any numeric type.

T

Any data type.

Description:

This operator adds and assigns a value to a variable. It is functionally equivalent to:

lhs = lhs + rhs

For numeric types, the right-hand side expression (rhs) will be converted to the left-hand side type (T1).

For string types, this operator is functionally equivalent to Operator &= (Concatenate and assign).

This operator can be overloaded for user-defined types.

Examples:

Dim n As Double
n = 6
n += 1
Print n
Sleep

Output:

Dialect Differences:

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

Differences from QB:

New to FreeBASIC

See also:

Back to Assignment Operators

Back to Operators

FBWiki : KeyPgOpCombineAdd

Operator += (Add and Assign)