Proposal for a Rosettacode task

[Daniel Davidson]

On Saturday, 19 October 2013 at 10:58:11 UTC, bearophile wrote:
> Adam D. Ruppe:
>
>> sure. I didn't format it but if you convert my tabs to spaces 
>> and maybe break up some long lines it should be good.
>
> Good, I have reformatted the code (I have chosen a narrow 72/73 
> line width for the code in that site, to see it well on smaller 
> screens or larger fonts), and I have tried to improve it a 
> little in many details:
>
> http://rosettacode.org/wiki/ASCII_art_diagram_converter
>
> The signature of the nested routine now takes all the variables 
> it works on. I think this code makes it more clear that this 
> routine needs to modify all those variables:
>
>     static void commitCurrent(ref uint anonCount,
>                               ref uint totalBits,
>                               ref uint currentBits,
>                               ref string code,
>                               ref string currentName) pure 
> @safe {
>
> If you want to modify code I suggest you to modify it directly 
> on that site.
>
> Bye,
> bearophile

I get following errors when trying to run:

STDERR| asciiart.d(17): Error: pure function 'commitCurrent' 
cannot call impure function 'text'
STDERR| asciiart.d(17): Error: safe function 
'asciiart.makeStructFromDiagram.commitCurrent' cannot call system 
function 'std.conv.text!(uint).text'

Thanks
Dan