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MiniRobotLanguage (MRL)

 

LST.PeekFirst

Retrieve the first value in the List without removing it.

 

 

Intention

 

The LST.PeekFirst command retrieves the first value in the List without removing it.

This is useful when you need to inspect the first item without altering the List.

 

 

Syntax

 

 

LST.PeekFirst|P1|P2

 

 

Parameter Explanation

 

P1 - (Variable)

 The handle of the List to peek into.

P2 - (Variable)

 The variable to store the first value.

 

 

Example

 

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

' LST.PeekFirst - Sample

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

LST.New|$$LST

LST.Add|$$LST|Hello

LST.Add|$$LST|World

LST.PeekFirst|$$LST|$$RES

DBP.First item in List: $$RES

LST.End|$$LST

ENR.

 

 

Remarks

 

-

 

 

Limitations:

 

-

 

 

See also:

 

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