9 Feb
2010
9 Feb
'10
11:07 a.m.
| I imagine it would be something like deleting the production | | lexp6 -> - exp7
The rational for the current choice was the example: f x = -x^2
| and adding the production | | exp10 -> - fexp
But I would also recommend this change. It would also make sense to allow "-" before "let", "if" and "case" or another "-" expression, but that's a matter of taste. Cheers Christian