mappy-0.1.1.0: A functional programming language focused around maps.

Safe HaskellSafe
LanguageHaskell2010

Language.Error

Documentation

data Error a Source

Constructors

MainNotFound 
RepeatedDefinition String 
NameNotDefined String 
WrongNumberOfArguments String Int Int 
KeyNotFound a 
GiveCalledOnNonMap a a a 
TakeCalledOnNonMap String a a 

Instances

Eq a => Eq (Error a) Source 
Show a => Show (Error a) Source 

singleError :: a -> Either [a] b Source