Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: regexp-tries (user goal)
rejecting: regexp-tries-0.2 (global constraint requires ==0.1.0)
trying: regexp-tries-0.1.0
trying: base-4.7.0.1/installed-e4b... (dependency of regexp-tries-0.1.0)
trying: weighted-regexp-0.3.1.2 (dependency of regexp-tries-0.1.0)
next goal: array (dependency of weighted-regexp-0.3.1.2)
rejecting: array-0.5.0.0/installed-98a..., 0.5.1.0, 0.5.0.0 (conflict:
weighted-regexp => array>=0.1 && <0.5)
rejecting: array-0.4.0.1 (conflict: base==4.7.0.1/installed-e4b..., array =>
base>=4.2 && <4.7)
rejecting: array-0.4.0.0 (conflict: base==4.7.0.1/installed-e4b..., array =>
base>=4.2 && <4.6)
rejecting: array-0.3.0.3 (conflict: base==4.7.0.1/installed-e4b..., array =>
base>=4.2 && <4.5)
rejecting: array-0.3.0.2, 0.3.0.1 (conflict: base==4.7.0.1/installed-e4b...,
array => base>=4.2 && <4.4)
rejecting: array-0.3.0.0 (conflict: base==4.7.0.1/installed-e4b..., array =>
base>=3 && <4.4)
rejecting: array-0.2.0.0, 0.1.0.0 (conflict: base==4.7.0.1/installed-e4b...,
array => base<4.3)
Dependency tree exhaustively searched.