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Re: Core: Null handling incoherent? [message #32284 is a reply to message #32256]

Fri, 06 May 2011 09:55

mirek
Messages: 13984
Registered: November 2005

Ultimate Member

kohait00 wrote on Wed, 04 May 2011 05:39

attached is a patch for discussion. the IsNullInstance naming issue is not adressed yet.

benefits:

* more clear coherent interface because IsNullInstance, SetNull are obligatory

How have you defined IsNullInstance method for 'double'?

See, the obligatory interface is IsNull and Null asignment. IsNullInstance is just helper - it is easier to write it as method than as external function. SetNull was sort of forced by you.

Mirek

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[Message index]

		Core: Null handling incoherent? By: kohait00 on Wed, 04 May 2011 10:46
		Re: Core: Null handling incoherent? By: kohait00 on Wed, 04 May 2011 11:39
		Re: Core: Null handling incoherent? By: kohait00 on Wed, 04 May 2011 13:38
		Re: Core: Null handling incoherent? By: mirek on Fri, 06 May 2011 09:55
		Re: Core: Null handling incoherent? By: kohait00 on Fri, 06 May 2011 10:43
		Re: Core: Null handling incoherent? By: mirek on Fri, 06 May 2011 13:06
		Re: Core: Null handling incoherent? By: kohait00 on Fri, 06 May 2011 14:07
		Re: Core: Null handling incoherent? By: kohait00 on Mon, 23 May 2011 13:40
		Re: Core: Null handling incoherent? By: kohait00 on Thu, 07 July 2011 08:30
		Re: Core: Null handling incoherent? By: mirek on Thu, 07 July 2011 10:29
		Re: Core: Null handling incoherent? By: kohait00 on Thu, 07 July 2011 10:35
		Re: Core: Null handling incoherent? By: kohait00 on Tue, 13 September 2011 18:08
		Re: Core: Null handling incoherent? By: cbpporter on Wed, 14 September 2011 09:46
		Re: Core: Null handling incoherent? By: kohait00 on Wed, 14 September 2011 12:46
		Re: Core: Null handling incoherent? By: mirek on Fri, 06 May 2011 09:52
		Re: Core: Null handling incoherent? By: mirek on Thu, 15 September 2011 12:57
		Re: Core: Null handling incoherent? By: kohait00 on Thu, 15 September 2011 14:29
		Re: Core: Null handling incoherent? By: mirek on Thu, 15 September 2011 15:34
		Re: Core: Null handling incoherent? By: kohait00 on Thu, 15 September 2011 16:30
		Re: Core: Null handling incoherent? By: mirek on Fri, 16 September 2011 10:26
		Re: Core: Null handling incoherent? By: kohait00 on Fri, 16 September 2011 15:26

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