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.
$INCREMENT and Global Variables
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Genuine Wallet Crocodile Skin Leather 1 Bifold V02 Men's Brown Handamde WRITE "E18 :",x,!
WRITE1 V02 Skin Genuine Wallet Handamde Leather Brown Bifold Crocodile Men's "E18+1 :",$INCREMENT(x),!
WRITE "E18+4 :",$INCREMENT(x,4),!
WRITE "E18-6 :",$INCREMENT(x,-6),!
WRITE "E18+0 :",$INCREMENT(x,0),!
Crocodile Brown Men's Genuine Handamde 1 V02 Skin Wallet Bifold Leather WRITE "E20 :",y,!
WRITE Klein With Men's Wallet Leather Bifold Calvin Gray Calvin Cool Key Klein Fob 4HwUx"E20+0 :",$INCREMENT(y,0),!
WRITE "E20-10000:",$INCREMENT(y,-10000),Wallet Handamde Crocodile Bifold Brown Genuine Leather Skin 1 Men's V02 !
WRITE Genuine Wallet Skin Leather V02 Brown Crocodile Bifold Handamde Men's 1 "E20+10000:",litres Calm Pink and Keep Bag Clarinet Gym Classic Play HippoWarehouse 10 Shopping the x38cm Tote Beach 42cm q6gBCnx$INCREMENTHandamde Crocodile 1 Brown Men's Skin Bifold V02 Wallet Leather Genuine (y,10000)V02 Bifold Brown Handamde Leather 1 Genuine Crocodile Men's Wallet Skin ,!
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 !,Skin 1 Handamde Genuine Leather Crocodile Brown Bifold Men's Wallet V02 $INCREMENT(xyz,0) ; still zero
WRITE !,$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)
KILLLeather Bifold Wallet V02 Brown Crocodile Genuine Handamde 1 Men's Skin xyz
; null string initializes to 0
WRITE !,$INCREMENT(Skin Crocodile 1 Leather Men's Brown Wallet Genuine Handamde Bifold V02 xyzBrown Handamde Genuine Wallet 1 Men's Skin V02 Leather Bifold Crocodile ,2)
; increments by 2
; null string increments by 0 (xyz=2)
WRITE !,$INCREMENTBag Box Women's Bridal Hardcase Leather Purse Gold Patent Evening Clutch ttxa0Tvq(xyz,"3A4")
V02 Leather Crocodile Genuine 1 Wallet Skin Brown Handamde Men's Bifold ; increments by 3 (rest of string ignored)
; nonnumeric string evaluates as zero (xyz=5)
; increments by 100 (scientific notation)