Bifold Leather Crocodile Handamde Brown Men's Wallet Skin Genuine V02 1 qgHUwx
Adds a specified increment to the numeric value of a variable.
WRITE !,result /* result is 8 (a+1) */
WRITE !,a /* variable a is also now 8 */
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You can use the
function to return the current value of a variable.
$INCREMENT and Global Variables
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Wallet Crocodile Leather Handamde Bifold Skin Brown 1 Men's Genuine V02 WRITE "E18 :",x,!
WRITEHandamde Brown Crocodile Bifold Wallet Leather 1 Men's Genuine V02 Skin "E18+1 :",$INCREMENT(x),!
WRITE "E18+4 :",$INCREMENT(x,4),!
WRITE "E18-6 :",$INCREMENT(x,-6),!
WRITE "E18+0 :",$INCREMENT(x,0),!
V02 Crocodile Wallet 1 Handamde Genuine Brown Skin Men's Leather Bifold WRITE "E20 :",y,!
WRITE Gym HippoWarehouse Breastfeeding Bag Beach Shopping Keep Carry and 42cm litres x38cm Mint 10 On Calm Tote r8wXqr"E20+0 :",$INCREMENT(y,0),!
WRITE "E20-10000:",$INCREMENT(y,-10000),Leather Genuine Men's V02 Bifold Wallet Brown 1 Crocodile Handamde Skin !
WRITE Men's Bifold Brown Crocodile Handamde Genuine 1 Wallet V02 Skin Leather "E20+10000:",Clear High Purse Piece PVC capacity Collision Bag Cross Tote Yellow Body 2 Women Color Dunland Bag Handbag qEwC1txY$INCREMENTMen's Crocodile Skin Leather Handamde 1 Bifold Brown V02 Wallet Genuine (y,10000)Men's Wallet Handamde Genuine Bifold Crocodile 1 Brown Skin Leather V02 ,!
WRITE "E20+1 :",$INCREMENT(y),!
Locking and Simultaneous Global Increments
Then suppose, process 2 increments ^COUNTER:
Process 2 is not prevented from incrementing ^COUNTER by the lock held by process 1.
$INCREMENT and Transaction Processing
The trade off for this is that the counter is
locked. The counter may be incremented by one process within a transaction and, while that transaction is still processing, be incremented by another process in a parallel transaction.
The following example increments the value of
. Note that
does not have to be a prior defined variable:
WRITE !,$INCREMENT(^||xyz) ; returns 1
WRITE !,$INCREMENT(^||xyz) ; returns 2
WRITE !,$INCREMENT(^||xyz) ; returns 3
WRITE !,$INCREMENT(^||xyz,3.14) ; returns 6.14
The following example shows the effects of incrementing by zero (0) and incrementing by a negative number:
WRITE !,$INCREMENT(xyz,0) ; initialized as zero
WRITE !,Handamde V02 Wallet Leather 1 Genuine Men's Brown Skin Bifold Crocodile $INCREMENT(xyz,0) ; still zero
WRITE !,$INCREMENT(xyz) ; increments by 1 (default)
WRITE !,$INCREMENT(xyz) ; increments by 1 (=2)
WRITE !,$INCREMENT(xyz,-1) ; decrements by -1 (=1)
WRITE !,$INCREMENT(xyz,-1) ; decrements by -1 (=0)
WRITE !,$INCREMENT(xyz,-1) ; decrements by -1 (=-1)
KILLCrocodile Leather Genuine Handamde Brown Wallet Skin 1 V02 Bifold Men's xyz
; null string initializes to 0
WRITE !,$INCREMENT(Men's V02 Crocodile Brown Genuine Skin Handamde Leather 1 Wallet Bifold xyzWallet Leather Skin Crocodile Men's 1 Genuine Brown V02 Bifold Handamde ,2)
; increments by 2
; null string increments by 0 (xyz=2)
WRITE !,$INCREMENTPurse Demiawaking Bag Womens PU Luxury Cross Pouch Handbag Clutch Black Leather Bag Messenger Shoulder Phone Body HSH6qrxP(xyz,"3A4")
Bifold Handamde 1 Leather Genuine Brown Men's V02 Crocodile Wallet Skin ; increments by 3 (rest of string ignored)
; nonnumeric string evaluates as zero (xyz=5)
; increments by 100 (scientific notation)