Article View: comp.std.c++
Article #3822Re: Quick questions
From: Steve Clamage
Date: Tue, 26 Mar 1996 19:13
Date: Tue, 26 Mar 1996 19:13
38 lines
1987 bytes
1987 bytes
In article 67891262@sqarc.sq.com, clamage@taumet.eng.sun.com (Steve Clamage) writes:
>clamage@Eng.sun.com (Steve Clamage) wrote:
>>>2) From a previous post on this group, it looks like the standard will
>>>allow one to define conversion operators for pre-existing, source code
>>>untouchable data types. Yes? No? What will this look like? I have the
>>>May copy of the WP, and don't see any mention of this.
>>
>>I'm not sure I understand what you are asking. If you mean can you define
>>a conversion operator from a user-defined class to a predefined type
>>like int or double, then yes, that has long been part of C++.
>I believe he was referring to something like
>class myclass{};
>operator int(const myclass &arg);
>
>Just like the global equality operators, etc.
That is not allowed. A type conversion function must be a member of a class.
class myclass {
public:
operator int(); // converts a myclass to an int
myclass(int); // converts an int to a myclass
};
---
Steve Clamage, stephen.clamage@eng.sun.com
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Path: arc1-ca.pugleaf.net!engnews1.Eng.Sun.COM!taumet!clamage From: clamage@Eng.sun.com (Steve Clamage) Newsgroups: comp.std.c++ Subject: Re: Quick questions Date: 26 Mar 1996 19:13:13 GMT Organization: Sun Microsystems Inc. Approved: clamage@eng.sun.com (comp.std.c++) Message-ID: <4j9f6i$s2o@engnews1.Eng.Sun.COM> References: <315837ce.67891262@sqarc.sq.com> Reply-To: clamage@Eng.sun.com NNTP-Posting-Host: taumet.eng.sun.com X-Nntp-Posting-Host: taumet.eng.sun.com Content-Length: 1026 X-Lines: 31 Originator: clamage@taumet