const challenge

[Sean Kelly]

Walter Bright wrote:
> 
> Invariant strings are one example of the transformative nature of it,
> and it took me a long time to 'get it'. So I understand completely the
> skepticism about it.

I'll admit that I have my trepidations about invariant strings, because
it seems that they could cause a great deal of GC churn that may be
avoided with in-place modification.  But perhaps this is simply an
unreasonable fear.


Sean