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Re: How to get _overloadSize to return N_Dimensions=0? [message #94368 is a reply to message #94360]

Fri, 21 April 2017 09:48

Matthew Argall
Messages: 286
Registered: October 2011

Senior Member

The fix has to be a bit more complicated. Using your suggestion,

IDL> myobj = Test_olSize(!Null)
IDL> Print, N_Elements(myobj)
1

function test_olSize::_OverloadSize
return, n_elements(*self.value) eq 0 ? 0L : $
size(*self.value, /n_dimensions) eq 0 ? 1L : $
size(*self.value, /dimensions)
end

IDL> myobj = Test_olSize(!Null)
IDL> Print, N_Elements(myobj)
0

Consequently, this fixes the original problem as well.

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[Message index]

		How to get _overloadSize to return N_Dimensions=0? By: Matthew Argall on Tue, 27 May 2014 15:40
		Re: How to get _overloadSize to return N_Dimensions=0? By: chris_torrence@NOSPAM on Tue, 27 May 2014 20:14
		Re: How to get _overloadSize to return N_Dimensions=0? By: Matthew Argall on Tue, 18 April 2017 06:56
		Re: How to get _overloadSize to return N_Dimensions=0? By: Michael Galloy on Wed, 19 April 2017 14:19
		Re: How to get _overloadSize to return N_Dimensions=0? By: Matthew Argall on Fri, 21 April 2017 09:48

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