[MLton-devel] Effect of -exn-history true on performance

[Stephen Weeks]

> I think the plan was that the implementations of -exn-history true was
> supposed to be as lightweight as possible.  I'm not sure why Stephen is
> using a string list ref instead of a string list and reraising with a new
> history list.

I can't think of any good reason.  The functional approach you mention
seems much better to me.  Do you want to take a crack at it or shall
I? 


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