module Data.Derive.Monoid(makeMonoid) where
import Data.Derive.DSL.DSL
import Data.Derive.Internal.Derivation
makeMonoid :: Derivation
makeMonoid = derivationDSL "Monoid" dslMonoid
dslMonoid =
List [Instance ["Monoid"] "Monoid" (List [App "InsDecl" (List [App
"PatBind" (List [App "PVar" (List [App "Ident" (List [String
"mempty"])]),App "Nothing" (List []),App "UnGuardedRhs" (List [App
"App" (List [App "Var" (List [App "UnQual" (List [App "Ident" (
List [String "head"])])]),App "List" (List [MapCtor (Application (
Concat (List [List [App "Con" (List [App "UnQual" (List [App
"Ident" (List [CtorName])])])],MapField (App "Paren" (List [
Application (List [App "Var" (List [App "UnQual" (List [App
"Ident" (List [String "const"])])]),App "Var" (List [App "UnQual"
(List [App "Ident" (List [String "mempty"])])]),App "Lit" (List [
App "Int" (List [FieldIndex])])])]))])))])])]),App "BDecls" (List
[List []])])]),App "InsDecl" (List [App "FunBind" (List [MapCtor (
App "Match" (List [App "Ident" (List [String "mappend"]),List [App
"PParen" (List [App "PApp" (List [App "UnQual" (List [App "Ident"
(List [CtorName])]),MapField (App "PVar" (List [App "Ident" (List
[Concat (List [String "x",ShowInt FieldIndex])])]))])]),App
"PParen" (List [App "PApp" (List [App "UnQual" (List [App "Ident"
(List [CtorName])]),MapField (App "PVar" (List [App "Ident" (List
[Concat (List [String "y",ShowInt FieldIndex])])]))])])],App
"Nothing" (List []),App "UnGuardedRhs" (List [Application (Concat
(List [List [App "Con" (List [App "UnQual" (List [App "Ident" (
List [CtorName])])])],MapField (App "Paren" (List [Application (
List [App "Var" (List [App "UnQual" (List [App "Ident" (List [
String "mappend"])])]),App "Var" (List [App "UnQual" (List [App
"Ident" (List [Concat (List [String "x",ShowInt FieldIndex])])])])
,App "Var" (List [App "UnQual" (List [App "Ident" (List [Concat (
List [String "y",ShowInt FieldIndex])])])])])]))]))]),App "BDecls"
(List [List []])]))])])])]