singletons-2.4.1: dependencies

Dependencies for singletons-2.4.1

library	base (>=4.11 && <4.12) containers (>=0.5) ghc-boot-th mtl (>=2.2.1 && <2.3) syb (>=0.4) template-haskell text (>=1.2) th-desugar (>=1.8 && <1.9) transformers (>=0.5.2)