Open witnesses are witnesses that can witness to any type. However, they cannot be constructed, they can only be generated in the IO monad. See the paper /Witnesses and Open Witnesses/ (<http://semantic.org/stuff/Open-Witnesses.pdf>).
Package Version | Update ID | Released | Package Hub Version | Platforms | Subpackages |
---|---|---|---|---|---|
0.4-bp150.1.5 info | GA Release | 2018-07-30 | 15 |
|
|