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nested subroutines and scope [message #28994]

Thu, 24 January 2002 14:56

Christopher W. O'Dell is currently offline

Christopher W. O'Dell
Messages: 20
Registered: February 2001

Junior Member

This is a two-part question from an IDL newbie.

1) Is it possible to nest procedures or functions in IDL?
2) If the answer to (1) is yes, is there anyway to give certain
variables global scope within the primary procedure/function,
so they can be "seen" by all the nested procedures/functions
within the main function?

I used to do this all the time in pascal. Some pseudo-code might be
as follows:

function mainfunc, x, a1

function subfunc, y
return, a1 * y^2
end ; subfunc

return, subfunc(x) * subfunc(x^2)

end ; mainfunc

If you think this is terrible programming practice (which it probably
is), can anyone suggest a better way, without having to pass
all the global variables as parameters?

Thanks,
Chris O'Dell

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[Message index]

		nested subroutines and scope By: Christopher W. O'Dell on Thu, 24 January 2002 14:56
		Re: nested subroutines and scope By: Alex Schuster on Tue, 29 January 2002 05:46

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