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accessing heap variable elements [message #25063]

Sat, 12 May 2001 09:49

Jared Crossley
Messages: 3
Registered: June 2000

Junior Member

Can any one explain this to me?
------------------------------------
IDL> a=ptr_new( lonarr(2) )
IDL> help, a
A POINTER = <PtrHeapVar2229>
IDL> help, *a
<PtrHeapVar2229>
LONG = Array[2]
IDL> help, *a[0]
<PtrHeapVar2229>
LONG = Array[2]
IDL> help, *a[1]
% Attempt to subscript A with <INT ( 1)> is out of range.
------------------------------------
I would expect that *a[0] and *a[1] would be long integers. How do I
access the elements in the long integer array heap variable?

Thanks, Jared

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