Definitely related to the v = [ (0,0,0,0)] as when I instead set it to [] no error occurs...
I'm just not sure why this exception is being triggered.
Hacking the source code of the library:
- let colour = _area_spots_4d_palette p !! t
+
+ let colour = case _area_spots_4d_palette p !!? t of
+ Nothing -> do
+ error $ show t ++ "out of" ++ (show $ _area_spots_4d_palette p)
+ Just colour' -> colour'
Just trying to get a simple chart based on https://github.com/timbod7/haskell-chart/wiki/example-8 however getting a
Exception: Prelude.!!: negative index
error unfortunately...Definitely related to the
v = [ (0,0,0,0)]
as when I instead set it to[]
no error occurs...I'm just not sure why this exception is being triggered.
Hacking the source code of the library:
Which then errors with:
No idea where
-9223372036854775808
is coming from... ?