ASPL Manual v 1.00
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13. 8

   pop pops the last result from the answer stack into a set variable

 

pop setvar       where setvar is a set variable

pop

When specified by itself then simply pop the answer stack

pop  setoid  01*          ins:H_H_H  ous:H_H_H

●  Operator pop pops the last result from the answer stack into a set variable

Use the operator pop to pop the answer stack. If the operator is followed by a variable name then the operation will pop the top of the stack and assign it to the set variable.

 

Example 13.8.1

pop EXAMPLE

In this example we start ASPL loading the sample workspace WS1, then we issue a set operation to intersect two set variables. We pop the answer stack into a set variable.

 

Operation 13.8.1

pop OPERATION

# aspl WS1
    (start ASPL loading the sample workspace WS1)

①  aspl> f& a1 a2
    (display the interection between a1 and a2, the result is also pushed on the answer stack)

②  aspl> ans
    (display the answer stack)

③  aspl> pop a12
    (pop the answer stack into variable a12)

④  aspl> ans
    (display the answer stack)

⑤  aspl> v
    (display symbol table, a12 is in the table)

⑥  aspl> v d a12
    (view variable a12)