import { fnType } from "../function_registry.js";
import {Type, Function} from "../metacircular.js";

import {Bool, Double} from "./symbols.js";

export const addDouble = x => y => x + y;
export const mulDouble = x => y => x * y;
export const eqDouble  = x => y => x === y;

const Double_to_Double                  = fnType({in: Double, out: Double});
const Double_to_Bool                    = fnType({in: Double, out: Bool});
export const Double_to_Double_to_Double = fnType({in: Double, out: Double_to_Double});
export const Double_to_Double_to_Bool   = fnType({in: Double, out: Double_to_Bool});


export const ModuleDouble = [
  {i: Double                , t: Type               },

  {i: Double_to_Double_to_Double, t: Function           },
  {i: Double_to_Double_to_Bool  , t: Function           },
  {i: Double_to_Double          , t: Function           },
  {i: Double_to_Bool            , t: Function           },

  {i: addDouble             , t: Double_to_Double_to_Double  },
  {i: mulDouble             , t: Double_to_Double_to_Double  },
  {i: eqDouble              , t: Double_to_Double_to_Bool },
];