[Haskell-cafe] Printing call site for partial functions

[Ozgur Akgun]

Hi,

On 25 April 2012 16:36, Michael Snoyman <michael at snoyman.com> wrote:

>    Prelude.head: empty list
>

Recent versions of GHC actually generate a very helpful stack trace, if the
program is compiled with profiling turned on and run with -xc.

See: http://community.haskell.org/~simonmar/slides/HIW11.pdf(Ironically
titled "Prelude.head: empty list")

HTH,
Ozgur
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