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move test to separate file

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Joeri Exelmans 2025-04-17 16:48:17 +02:00
parent 4d1fb81492
commit bc9dce4b9c
2 changed files with 50 additions and 47 deletions
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scripts/enum.js Normal file
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import { makeCompareFn } from "../compare/registry.js";
import { Int, Unit } from "../primitives/types.js";
import { unit } from "../primitives/unit.js";
import { enumType, makeConstructors, makeMatchFn } from "../structures/enum.js";
import { constructorProduct } from "../structures/product.js";
import { lsType, prettyT } from "../structures/types.js";
const variants = [
constructorProduct("price")(Int),
constructorProduct("prices")(lsType(Int)),
constructorProduct("not_found")(Unit),
];
const myEnumType = enumType(variants);
console.log("observe the type that was generated:");
console.log(" ", prettyT(myEnumType));
const [newPrice, newPrices, newNotFound] = makeConstructors(variants);
const price = newPrice(10);
const prices = newPrices({ l: [20, 30] });
const notFound = newNotFound(unit);
console.log("observe the encoding of different variant instances:");
console.log(" ", price);
console.log(" ", prices);
console.log(" ", notFound);
const myEnumToString = x => makeMatchFn(variants)(x)
(price => `Price: ${price}`)
(prices => `Prices: ${prices.l}`)
(() => "Not found!");
console.log("observe the generated match function in action:");
console.log(" ", myEnumToString(price));
console.log(" ", myEnumToString(prices));
console.log(" ", myEnumToString(notFound));
const compareMyEnum = makeCompareFn(myEnumType);
console.log("observe the generated compare function in action:");
console.log(" smaller ->", compareMyEnum(price)(prices));
console.log(" bigger ->", compareMyEnum(prices)(price));
console.log(" bigger ->", compareMyEnum(notFound)(price));
console.log(" equal ->", compareMyEnum(prices)(prices));
console.log(" smaller ->", compareMyEnum(newPrice(5))(newPrice(6)));
console.log(" bigger ->", compareMyEnum(newPrices({ l: [5, 6] }))(newPrices({ l: [5, 5] })));