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Thread: How to swap two variables values without using a third variable?

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  1. #1
    thinBasic MVPs
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    Do you know: How to swap two variables values without using a third variable?

    just do some math:

    Uses "Console"
    
    Double a = 1.234
    Double b = 5.678
    
    console_writeLine("A = " + str$(a) )
    console_writeLine("B = " + str$(b) )
    
    a += b
    b = a - b
    a = a - b
    
    console_writeLine("A = " + str$(a) )
    console_writeLine("B = " + str$(b) )
    
    console_waitKey()
    
    How about Strings?

    Uses "Console"
    
    String A = "World !"
    String B = "Hello "
    
    Console_WriteLine(A + B)
    
    A += B
    B = Left$( A, Len(A) - Len(B) )
    A = Right$(A, Len(A) - Len(B) )
    
    console_writeLine(A + B)
    
    console_waitKey()
    
    or in thinBasic:
    '...
    Swap A,B
    '...
    
    Last edited by ReneMiner; 06-03-2013 at 20:16.
    I think there are missing some Forum-sections as beta-testing and support

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