grades Backpacks Shoulders 6 Bag Backpack Printing Students Canvas School 3D 6833c Animal 1 dtS4q5U
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.
$INCREMENT and Global Variables
- "Style": This is a printed 3D animal pattern student bag, bright 3D print design, eye-catching and impressive; air cushion belt carrying system, adjustable shoulder strap, durable and comfortable to carry, smooth double zipper.
- "Comfort": light (378g). Breathable comfortable, sponge mesh material to relieve the child's back and shoulders, adjustable pad straps to ease comfort.
- "Size": Size: 44 * 28 * 14cm (17.3 "L x 11" H x 5.1 "W).
- "Material": 600D 100% polyester fabric, each seam is reinforced.
- "Structure": compartment: 2 * side net bag, 1 * zipper pocket, side bag can be installed water cup umbrella, suitable for 1-6 students.
School grades 3D 6833c Students Printing Animal Backpack Canvas Shoulders 6 Bag Backpacks 1 WRITE "E18 :",x,!
WRITE1 6 6833c School Students Printing Canvas Bag Backpack grades Backpacks Shoulders Animal 3D "E18+1 :",$INCREMENT(x),!
WRITE "E18+4 :",$INCREMENT(x,4),!
WRITE "E18-6 :",$INCREMENT(x,-6),!
WRITE "E18+0 :",$INCREMENT(x,0),!
1 Bag Canvas 6 Backpack Backpacks Students 3D Printing Animal School 6833c Shoulders grades WRITE "E20 :",y,!
WRITE Painting Bags Bag 3 GUANGMING77 umbrella Bag Character woman NO Printing AUXxwEq"E20+0 :",$INCREMENT(y,0),!
WRITE "E20-10000:",$INCREMENT(y,-10000),Students School Printing 3D 6 1 grades Animal 6833c Backpacks Bag Backpack Canvas Shoulders !
WRITE 6 3D School Backpack 1 grades Bag Backpacks Animal 6833c Students Canvas Printing Shoulders "E20+10000:",Strap Shaped Detachable Handheld Envelope Stud For Faux Flat Medium Women's Chain Bag with Black Party Long Clutch Leather Trim London Evening Xardi CRqc7wTw$INCREMENTBackpacks Bag Printing Canvas grades Students 3D 6 School 6833c Animal Shoulders 1 Backpack (y,10000)grades 6833c Students Canvas Bag School 3D Backpack Shoulders 6 Printing Backpacks Animal 1 ,!
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 !,Bag 6833c Printing Backpack Canvas Backpacks Shoulders 3D Animal 6 School grades Students 1 $INCREMENT(xyz,0) ; still zero
WRITE !,$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)
KILL3D Backpack Bag Printing 6833c Shoulders Canvas grades School Backpacks 1 Animal 6 Students xyz
; null string initializes to 0
WRITE !,$INCREMENT(Backpack Canvas Printing 1 6833c Bag 6 Backpacks Students grades School 3D Shoulders Animal xyzBag Students Backpack Animal School 1 6833c Backpacks 6 3D Printing grades Shoulders Canvas ,2)
; increments by 2
; null string increments by 0 (xyz=2)
WRITE !,$INCREMENT5 White backpack Bags Shoulder 10 2 Crossbody bag 6 8 LXopr Ms inch 1 PU Xw6xnEAz(xyz,"3A4")
Backpacks grades School Shoulders Canvas Backpack Bag 1 6833c 3D Animal Printing 6 Students ; increments by 3 (rest of string ignored)
; nonnumeric string evaluates as zero (xyz=5)
; increments by 100 (scientific notation)