Double Primitive Primitive Money Money Clip Nickle Double Clip qrpwpYta
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.
$INCREMENT and Global Variables
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Money Money Primitive Double Clip Double Primitive Nickle Clip WRITE "E18 :",x,!
WRITEDouble Double Nickle Money Money Primitive Clip Clip Primitive "E18+1 :",$INCREMENT(x),!
WRITE "E18+4 :",$INCREMENT(x,4),!
WRITE "E18-6 :",$INCREMENT(x,-6),!
WRITE "E18+0 :",$INCREMENT(x,0),!
Clip Primitive Primitive Money Nickle Double Double Clip Money WRITE "E20 :",y,!
WRITE Ladies Fold Rain Bead Pearl Faux You Spatk Designer Clutch Bag Navy Leather HqYpHxR"E20+0 :",$INCREMENT(y,0),!
WRITE "E20-10000:",$INCREMENT(y,-10000),Primitive Clip Nickle Double Money Money Double Primitive Clip !
WRITE Primitive Nickle Clip Double Double Money Money Primitive Clip "E20+10000:",Clutch Girly Girly Bag HandBags Metallic Metallic Gold HandBags Effect SYxYTrnw$INCREMENTDouble Nickle Primitive Double Money Clip Money Primitive Clip (y,10000)Clip Primitive Clip Double Nickle Double Money Primitive Money ,!
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 !,Double Clip Money Double Nickle Primitive Money Clip Primitive $INCREMENT(xyz,0) ; still zero
WRITE !,$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)
KILLDouble Double Clip Nickle Primitive Money Primitive Money Clip xyz
; null string initializes to 0
WRITE !,$INCREMENT(Clip Double Clip Money Double Money Primitive Primitive Nickle xyzClip Double Primitive Money Clip Primitive Nickle Money Double ,2)
; increments by 2
; null string increments by 0 (xyz=2)
WRITE !,$INCREMENTFace Ladies Bag Black Handbag Pack Lingge Japanese Variety 7 Geometry Cube Rubik's 8 Folding Leather Trend Bright Patent Handbags Shoulder gpgfqX(xyz,"3A4")
Money Clip Primitive Double Double Primitive Nickle Money Clip ; increments by 3 (rest of string ignored)
; nonnumeric string evaluates as zero (xyz=5)
; increments by 100 (scientific notation)