Copyright | (c) Henning Thielemann 2009-2010 Mikael Johansson 2006 |
---|---|
Maintainer | numericprelude@henning-thielemann.de |
Stability | provisional |
Portability | Abstract concept of a Monoid. |
Safe Haskell | Safe |
Language | Haskell98 |
Will be used in order to generate type classes for generic algebras.
An algebra is a vector space that also is a monoid.
Should we use the Monoid class from base library
despite its unfortunate method name mappend
?
Synopsis
- class C a where
Documentation
We expect a monoid to adher to associativity and the identity behaving decently. Nothing more, really.
Instances
C All Source # | |
C Any Source # | |
C T Source # | |
C (First a) Source # | |
C (Last a) Source # | |
C a => C (Dual a) Source # | |
C (Endo a) Source # | |
C a => C (Sum a) Source # | |
C a => C (Product a) Source # | |
C a => C (T a) Source # | |
Ord a => C (Max a) Source # | |
Ord a => C (Min a) Source # | |
C a => C (LCM a) Source # | |
C a => C (GCD a) Source # | |
C a => C (T a) Source # | |
Ix i => C (T i) Source # | |