Bug #20218 for version: there is no overload from + to numify()

Sat Jul 01 05:04:45 2006 STEFFENW [...] cpan.org - Ticket created

Subject:

there is no overload from + to numify()

# string context is working print ''.qv('1.2.3'); v1.2.3 # numeric context doesn't work print 0+qv('1.2.3'); Operation `+': no method found, left argument has no overloaded magic, right argument in overloaded package version at ... # looks good print qv('1.2.3') > qv('1.2.2'); 1 # looks good too print qv('1.2.3') > 1.002_002; 1

Sat Jul 01 10:30:44 2006 jpeacock [...] rowman.com - Correspondence added

CC:	undisclosed-recipients:;
Subject:	Re: [rt.cpan.org #20218] there is no overload from + to numify()
Date:	Sat, 01 Jul 2006 10:30:04 -0400
To:	bug-version [...] rt.cpan.org
From:	John Peacock <jpeacock [...] rowman.com>

Steffen Winkler via RT wrote: Show quoted text

> # numeric context doesn't work > print 0+qv('1.2.3'); > Operation `+': no method found, > left argument has no overloaded magic, > right argument in overloaded package version at ...

That's actually a deliberate design decision. Version objects (in their basic form) are intended to be immutable "set and forget" values. I have some ideas for a version::Math class which will allow specific mathematical operations to be performed (for example, automatically incrementing a module $VERSION before release to CPAN). What use case did you have for being able to use version objects in this way? John -- John Peacock Director of Information Research and Technology Rowman & Littlefield Publishing Group 4501 Forbes Blvd Suite H Lanham, MD 20706 301-459-3366 x.5010 fax 301-429-5747

Sat Jul 01 10:30:45 2006 The RT System itself - Status changed from 'new' to 'open'

Sun Jul 02 13:10:25 2006 STEFFENW [...] cpan.org - Correspondence added

From:

STEFFENW [...] cpan.org

It was a test (what can I do) and not a problem for me, so I selected "Unimportant" and it's not realy a wish. I thourght the version module should be complete. You have implemented the string context, but why no the numeric context. I love this v-strings and v-strings are more than versions. It's nearly how we humas think hierarchical about versions or numbers in content lists too.

Fri Jul 07 10:26:41 2006 jpeacock [...] cpan.org - Correspondence added

I'm going to close this as WONTFIX. Hopefully sometime soon I'll be able to release my version::Math module to CPAN, which will allow sensible math operations on version objects. Thanks John

Fri Jul 07 10:26:43 2006 jpeacock [...] cpan.org - Status changed from 'open' to 'resolved'