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Date& operator++ [message #35074]

Mon, 09 January 2012 15:48

koldo
Messages: 3453
Registered: August 2008

Senior Veteran

May it be added?

Date& operator++(Date& a)   	   { a.Set(a.Get() + 1); return a; }
Date& operator--(Date& a)   	   { a.Set(a.Get() - 1); return a; }

Best regards
Iñaki

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Re: Date& operator++ [message #35076 is a reply to message #35074]

Mon, 09 January 2012 16:55

mirek
Messages: 14271
Registered: November 2005

Ultimate Member

Why not, its there (as member function).

What about a little optimization:

Date& operator++() { if(day < 28) day++; else Set(Get() + 1); return *this; }

?

Mirek

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Re: Date& operator++ [message #35078 is a reply to message #35076]

Mon, 09 January 2012 22:03

koldo
Messages: 3453
Registered: August 2008

Senior Veteran

Best regards
Iñaki

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Re: Date& operator++ [message #35082 is a reply to message #35078]

Tue, 10 January 2012 15:51

koldo
Messages: 3453
Registered: August 2008

Senior Veteran

So would this be possible ? Smile

Date& operator--() { if(day) day--; else Set(Get() - 1); return *this; }

Best regards
Iñaki

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Re: Date& operator++ [message #35083 is a reply to message #35082]

Tue, 10 January 2012 16:11

Zbych
Messages: 328
Registered: July 2009

Senior Member

koldo wrote on Tue, 10 January 2012 15:51

So would this be possible ? Smile

Date& operator--() { if(day [B]> 1[/B]) day--; else Set(Get() - 1); return *this; }

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Re: Date& operator++ [message #35084 is a reply to message #35082]

Tue, 10 January 2012 21:12

mirek
Messages: 14271
Registered: November 2005

Ultimate Member

koldo wrote on Tue, 10 January 2012 09:51

So would this be possible ? Smile

Date& operator--() { if(day) day--; else Set(Get() - 1); return *this; }

Sure, already done, not worth mentioning (as it is the same trick)

Mirek

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Re: Date& operator++ [message #35085 is a reply to message #35084]

Tue, 10 January 2012 21:14

koldo
Messages: 3453
Registered: August 2008

Senior Veteran

Uuups, true Smile

Best regards
Iñaki

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Re: Date& operator++ [message #35092 is a reply to message #35074]

Wed, 11 January 2012 10:22

mr_ped
Messages: 826
Registered: November 2005
Location: Czech Republic - Praha

Experienced Contributor

"day > 1" would work a tad better (as Zbych tried to point out)? Or it doesn't matter?

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Re: Date& operator++ [message #35095 is a reply to message #35092]

Wed, 11 January 2012 10:59

Zbych
Messages: 328
Registered: July 2009

Senior Member

mr_ped wrote on Wed, 11 January 2012 10:22

"day > 1" would work a tad better (as Zbych tried to point out)? Or it doesn't matter?

As far as I know day numbers start from 1 not from 0 Smile

And this bug is already in SVN:
http://code.google.com/p/upp-mirror/source/diff?spec=svn4382 &r=4382&format=side&path=/trunk/uppsrc/Core/Time Date.h

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Re: Date& operator++ [message #35096 is a reply to message #35095]

Wed, 11 January 2012 11:23

koldo
Messages: 3453
Registered: August 2008

Senior Veteran

TTTrue!

Best regards
Iñaki

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Re: Date& operator++ [message #35099 is a reply to message #35095]

Wed, 11 January 2012 11:53

mirek
Messages: 14271
Registered: November 2005

Ultimate Member

Zbych wrote on Wed, 11 January 2012 04:59

mr_ped wrote on Wed, 11 January 2012 10:22

"day > 1" would work a tad better (as Zbych tried to point out)? Or it doesn't matter?

As far as I know day numbers start from 1 not from 0 Smile

And this bug is already in SVN:
http://code.google.com/p/upp-mirror/source/diff?spec=svn4382 &r=4382&format=side&path=/trunk/uppsrc/Core/Time Date.h

Ops. Yes. Sry.

Mirek

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