Should formattedWrite take the outputrange by ref?

anonymous anonymous at example.com
Sat Jan 18 14:45:01 PST 2014


On Saturday, 18 January 2014 at 21:55:54 UTC, Tobias Pankrath
wrote:
> I want to print a tree structure and need to keep track of the 
> indention for different parts of the tree. My idea was to write 
> a generic wrapper for an output range that outputs tabs when it 
> encounters a newline. This wrapper has internal state and if I 
> want to use formattedWrite with this wrapper than state changes 
> don't propagate to the calling context because by value 
> semantics.
>
> Short solution: I'm using a class now.

Alternatively, pass a pointer: formattedWrite(&writer, ...)


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