microgroove-0.2.1.0: Array-backed extensible records

Safe HaskellSafe
LanguageHaskell2010

Data.Microgroove.Lib.Exists

Synopsis

Documentation

data Some f where Source #

The Existential Type Some f is some f x where x is known at runtime

Constructors

Some :: f x -> Some f 

data MaybeSome f Source #

Avoids one indirection compared with Maybe (Some f)

Constructors

JustSome (f x) 
None