Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: hgl-example (user goal)
rejecting: hgl-example-0.0.2 (constraint from user target requires ==0.0.1)
trying: hgl-example-0.0.1
trying: base-4.9.0.0/installed-4.9... (dependency of hgl-example-0.0.1)
next goal: array (dependency of hgl-example-0.0.1)
rejecting: array-0.5.1.1/installed-0.5..., array-0.5.1.1, array-0.5.1.0,
array-0.5.0.0, array-0.4.0.1, array-0.4.0.0, array-0.3.0.3, array-0.3.0.2,
array-0.3.0.1, array-0.3.0.0 (conflict: hgl-example => array>=0.1 && <0.3)
rejecting: array-0.2.0.0, array-0.1.0.0 (conflict:
base==4.9.0.0/installed-4.9..., array => base<4.3)
Dependency tree exhaustively searched.