Re: [boost] Progress of Boost.SVG_Plot

From: Paul A Bristow (pbristow_at_[hidden])
Date: 2007-06-16 06:44:02

>-----Original Message-----
>From: boost-bounces_at_[hidden] 
>[mailto:boost-bounces_at_[hidden]] On Behalf Of David A. Greene
>Sent: 16 June 2007 05:07
>To: boost_at_[hidden]
>Subject: Re: [boost] Progress of Boost.SVG_Plot
>
>On Friday 15 June 2007 21:34, Jake Voytko wrote:
>
>> I think if I were going this route (and I'm starting to see 
>its merits, but
>> more on that in a second), I would have all "set" functions 
>that work in a
>> chaining manner, and if I wanted to extend functionality as 
>above, do as
>> follows:
>>
>> void my_settings(svg_plot& plot)
>> {
>>     my_plot . set_axis_color()
>>                 . set_axis_line_width()
>>                 . set_axis_line_style()
>>       // snip
>> }
>
>I've never understood why this kind of syntax is a good idea.  
>program_options
>uses it and I think it just confuses new users.
>
>What's the advantage over individual function calls as Phil 
>and others have suggested?

Using the .axis_width().axis_color saves typing
(and makes it is more compact and perhaps clearer by grouping things together).

It is entirely optional - novice users can (should?) just use 

myplot.axis_width();
myplot.axis_color();
...

Paul