Unboxed tuple allowed in context: ((##)) => ()
I have a feeling this is not intended
GHCi, version 8.5.20180128: http://www.haskell.org/ghc/ :? for help
Prelude> :set -XUnboxedTuples
Prelude> let x :: ((##)) => (); x = ()
Prelude> :t x
x :: ()
Prelude> x
()
Prelude> Trac metadata
| Trac field | Value |
|---|---|
| Version | 8.2.2 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Compiler (Parser) |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | |
| Architecture |