import { assign } from "../generics/generics.js";
import { makeGeneric } from "../generics/generics.js";
import { fnType } from "../metacircular.js";
import { Double, Int } from "../primitives/symbols.js";
import { numDictType } from "./num_type.js";

const square = numDict => x => getMul(numDict)(x)(x);

const squareFnType = makeGeneric(a => 
  fnType({
    in: numDictType(a),
    out: fnType({
      in: a,
      out: a,
    }),
  }));

// should be: Int -> Int
console.log(assign(squareFnType, makeGeneric(() => numDictType(Int))));

// should be: Double -> Double
console.log(assign(squareFnType, makeGeneric(() => numDictType(Double))));