Re: whither stack traces?

Quoting Dave Herman <[email protected]>:
[...]
> I think I'm 95% of the way there. I can't completely reproduce the 
> behavior of the REPL's backtrace facility, since I don't know what is 
> used to print out information about the exception. The best I could 
> muster was:
> 
>      fun exnDetails (Fail s)  = SOME ("Fail: " ^ s)
>        | exnDetails Bind      = SOME "nonexhaustive binding failure"
>        | exnDetails Match     = SOME "nonexhaustive match failure"
>        | exnDetails Div       = SOME "divide by zero"
>        | exnDetails Domain    = SOME "domain error"
>        | exnDetails Overflow  = SOME "overflow"
>        | exnDetails Size      = SOME "size"
>        | exnDetails Subscript = SOME "subscript out of bounds"
>        | exnDetails _         = NONE

Did you try General.exnMessage:

  http://www.standardml.org/Basis/general.html#SIG:GENERAL.exnMessage:VAL

-Vesa Karvonen

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