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MiniRobotLanguage (MRL)

 

QUE.Pop

Get and remove the first value in the queue.

 

 

Intention

 

The QUE.Pop command retrieves and removes the first value in a queue container.

 

Illustration

 

Before QUE.Pop operation:

 

Queue: [1, 2, 3, 4]

 

After QUE.Pop operation:

 

Queue: [2, 3, 4]

 

The first element 1 is removed from the queue.

 

 

Syntax

 

 

QUE.Pop|P1|P2

 

 

Parameter Explanation

 

P1 - (Variable)

 The handle of the queue.

 

P2 - (Variable)

 This variable will store the first value in the queue. If omitted, the value is placed on TOS.

 

 

 

Example

 

'***********************************

' QUE.Pop - Sample

'***********************************

QUE.New|$$QUE

QUE.Push|$$QUE|42

QUE.Pop|$$QUE|$$VAL

DBP.Value popped from queue: $$VAL

ENR.

 

 

 

 

Remarks

 

-

 

 

Limitations:

 

-

 

 

See also:

 

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