ACME-0.0.0.1: Essential features

Safe HaskellSafe-Inferred
LanguageHaskell98

Acme.Perhaps

Description

The Perhaps monad

Documentation

data Perhaps t Source

Constructors

Definitely t 
Probably t 
ProbablyNot 
Nope 

Instances

Monad Perhaps 
Eq t => Eq (Perhaps t) 
Ord t => Ord (Perhaps t) 
Read t => Read (Perhaps t) 
Show t => Show (Perhaps t)