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QAIX > .Net Development > Out parameters 7 March 2007 18:44:25

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Out parameters
Brady Kelly 7 March 2007 18:44:25
	A short lived question arose in the office on 'out' versus 'ref' parameters. I thought I'd check with the experts; what is the difference? =================================== This list is hosted by DevelopMentor http://www.develop.com View archives and manage your subscription(s) at http://discuss.develop.com
		Add comment


Peter Ritchie 7 March 2007 18:19:03 [ permanent link ]
	out are "must-write" and ref are "read/might-write". =================================== This list is hosted by DevelopMentor http://www.develop.com View archives and manage your subscription(s) at http://discuss.develop.com
		Add comment


Chris Anderson 7 March 2007 18:44:25 [ permanent link ]
	out params do not need to be initialised before being passed; ref ones do. i.e. This code is valid: int i; // Note this has not been initialised Foo (out i); This however is invalid: int i; // Note this has not been initialised Bar (ref i); To fix the latter, it must be changed to something like: int i = 0; // This is now initialised Bar (ref i); ________________________________ From: Discussion of development on the .NET platform using any managed language on behalf of Brady Kelly Sent: Wed 07/03/2007 15:30 To: DOTNET-CLR@DISCUSS.DEVELOP.COM Subject: [DOTNET-CLR] Out parameters A short lived question arose in the office on 'out' versus 'ref' parameters. I thought I'd check with the experts; what is the difference? =================================== This list is hosted by DevelopMentor http://www.develop.com View archives and manage your subscription(s) at http://discuss.develop.com =================================== This list is hosted by DevelopMentor http://www.develop.com View archives and manage your subscription(s) at http://discuss.develop.com
		Add comment

QAIX > .Net Development > Out parameters 7 March 2007 18:44:25

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