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why no virtual destructor for RegExp? [message #38795]

Sat, 19 January 2013 06:22

navi
Messages: 107
Registered: February 2012
Location: Sydney, Australia

Experienced Member

I was thinking of extending the RegExp class of the pcre plugin and implementing a ReplaceMatch() for it. Sort of like a replica of preg_replace() of php or String.Replace() of javascript. However while digging through RegExp I realize that RegExp doesn't have a virtual destructor! So there are no safe ways of extending RegExp class other-then to use private inheritance, composition or free-functions instead. In other word, extending RegExp safely is not possible!?

Regards
navi

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[Message index]

		why no virtual destructor for RegExp? By: navi on Sat, 19 January 2013 06:22
		Re: why no virtual destructor for RegExp? By: mirek on Sat, 19 January 2013 12:03
		Re: why no virtual destructor for RegExp? By: navi on Sat, 19 January 2013 12:30
		Re: why no virtual destructor for RegExp? By: dolik.rce on Sat, 19 January 2013 13:19
		Re: why no virtual destructor for RegExp? By: navi on Sat, 19 January 2013 13:26
		Re: why no virtual destructor for RegExp? By: navi on Fri, 25 January 2013 14:58
		Re: why no virtual destructor for RegExp? By: navi on Fri, 25 January 2013 15:01
		Re: why no virtual destructor for RegExp? By: dolik.rce on Fri, 25 January 2013 16:04
		Re: why no virtual destructor for RegExp? By: dolik.rce on Fri, 25 January 2013 16:10
		Re: why no virtual destructor for RegExp? By: navi on Fri, 25 January 2013 17:37
		Re: why no virtual destructor for RegExp? By: dolik.rce on Fri, 25 January 2013 19:16
		Re: why no virtual destructor for RegExp? By: navi on Mon, 28 January 2013 07:11
		Re: why no virtual destructor for RegExp? By: mirek on Tue, 19 February 2013 17:15
		Re: why no virtual destructor for RegExp? By: navi on Wed, 20 February 2013 00:23

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