Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: altfloat (user goal)
rejecting: altfloat-0.3.1, 0.3, 0.2.2, 0.2.1 (global constraint requires
==0.2)
trying: altfloat-0.2
next goal: integer (dependency of altfloat-0.2)
Dependency tree exhaustively searched.