Cannot instantiate literals using TypeApplications
Relevant reddit post.
GHCi, version 8.0.1.20160110: http://www.haskell.org/ghc/ :? for help
Prelude> :set -XTypeApplications -fprint-explicit-foralls
Prelude> :t 42
42 :: forall {a}. Num a => a
Prelude> 42 @Int
<interactive>:3:1: error:
• Cannot not apply expression of type ‘a0’
to a visible type argument ‘Int’
• In the expression: 42 @Int
In an equation for ‘it’: it = 42 @Int(Also, "cannot not" looks like a typo.)