Bool setter for std.json

[w0rp]

On Tuesday, 25 February 2014 at 08:07:28 UTC, Stephan wrote:
> Actually that is exactly what I like about it! Performance of 
> exceptions in D is very bad and right now I am trying to reduce 
> using them wherever I can.

The alternative is the "everything went better than expected" 
approach. I'd prefer to let programs break and performance suffer 
when something is wrong with them.