quox/lib/Quox/Syntax/Term/TyConKind.idr

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Idris

module Quox.Syntax.Term.TyConKind
import Decidable.Equality
import Derive.Prelude
import Generics.Derive
%language ElabReflection
%default total
public export
data TyConKind =
KTYPE | KIOState | KPi | KSig | KEnum | KEq | KNat | KString | KBOX
%name TyConKind k
%runElab derive "TyConKind" [Eq.Eq, Ord.Ord, Show.Show, Generic, Meta, DecEq]
||| a list of all `TyConKind`s
public export %inline
allKinds : List TyConKind
allKinds = %runElab do
-- as a script so it stays up to date if there are more tycon kinds
cs <- getCons $ fst !(lookupName "TyConKind")
traverse (check . var) cs
||| in `type-case`, how many variables are bound in this branch
public export %inline
arity : TyConKind -> Nat
arity KTYPE = 0
arity KIOState = 0
arity KPi = 2
arity KSig = 2
arity KEnum = 0
arity KEq = 5
arity KNat = 0
arity KString = 0
arity KBOX = 1