Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: reactive-banana-wx (user goal)
rejecting: reactive-banana-wx-1.0.0.0, 0.9.0.2, 0.9.0.1, 0.9.0.0, 0.8.0.4,
0.8.0.0, 0.7.1.0, 0.7.0.0, 0.6.0.1, 0.6.0.0, 0.5.0.0, 0.4.3.2, 0.4.3.1,
0.4.3.0 (global constraint requires ==0.4.2.0)
trying: reactive-banana-wx-0.4.2.0
trying: base-4.8.1.0/installed-4f7... (dependency of
reactive-banana-wx-0.4.2.0)
next goal: array (dependency of reactive-banana-wx-0.4.2.0)
rejecting: array-0.5.1.0/installed-d42..., 0.5.1.0, 0.5.0.0, 0.4.0.1, 0.4.0.0
(conflict: reactive-banana-wx => array==0.3.*)
rejecting: array-0.3.0.3 (conflict: base==4.8.1.0/installed-4f7..., array =>
base>=4.2 && <4.5)
rejecting: array-0.3.0.2, 0.3.0.1 (conflict: base==4.8.1.0/installed-4f7...,
array => base>=4.2 && <4.4)
rejecting: array-0.3.0.0 (conflict: base==4.8.1.0/installed-4f7..., array =>
base>=3 && <4.4)
rejecting: array-0.2.0.0, 0.1.0.0 (conflict: reactive-banana-wx =>
array==0.3.*)
Dependency tree exhaustively searched.