Perform arithmetic operation on a keys value.
Example:
ArithmeticCommand ac = ArithmeticCommand() {
key = "my-key",
initial = 0x666,
create = 1,
delta = 1
};
ArithmeticCommand*[] commands = { &ac };
instance.arithmetic( null, commands );
command_cookie |
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commands |
the array containing the items to operate on |
Status of the operation. |