dope2/snippets/versioning.js

156 lines
5 KiB
JavaScript

import { newDynamic } from "../lib/primitives/dynamic.js";
import { Char, Int } from "../lib/primitives/primitive_types.js";
import { fnType } from "../lib/structures/type_constructors.types.js";
import { pretty } from "../lib/util/pretty.js";
import { newLiteral, newSlot, read, transform, write } from "../lib/versioning/static/value_slot.js";
import { merge, mergeN } from "../lib/versioning/static/merge.js";
import { union } from "../lib/structures/set.js";
import { emptyDict, set } from "../lib/structures/dict.js";
import { compareInts, compareStrings } from "../lib/compare/primitives.js";
import { compareDicts } from "../lib/compare/structures.js";
const inc = x => x + 1n;
const incLiteral = newLiteral(newDynamic(inc)(fnType(_=>Int)(_=>Int)));
// {
// console.log("##############");
// console.log("## Counting ##");
// console.log("##############");
// const counterOneSlot = write
// (newSlot("1d61577e704613f4e48b164852aedd20"))
// (newLiteral(newDynamic(1n)(Int)));
// console.log(pretty({counterOneSlot}));
// const valueOne = read(counterOneSlot);
// console.log(pretty({valueOne}));
// const onePlusOne = transform
// (valueOne)
// (incLiteral);
// console.log(pretty({onePlusOne}));
// const onePlusOnePlusOne = transform
// (onePlusOne)
// (incLiteral);
// console.log(pretty({onePlusOnePlusOne}));
// }
// // console.log("#############");
// // console.log("## Summing ##");
// // console.log("#############");
// // const priceSlot = newSlot(Symbol('price'))(newLiteral(20.66));
// // const taxSlot = newSlot(Symbol('tax'))(newLiteral(4.34));
// // const total =
// // transform(read(priceSlot))(
// // transform(read(taxSlot))(
// // newLiteral(tax => price => price + tax)));
// // console.log(pretty({total}))
// // const totalPlusOne = transform(total)(newLiteral(inc));
// // console.log(pretty({totalPlusOne}));
// // verifyValue(totalPlusOne);
// // console.log("getReadDependencies(totalPlusOne):", getReadDependencies(totalPlusOne));
// {
// console.log("###############");
// console.log("## Branching ##");
// console.log("###############");
// const initialSlot = newSlot("Slot__4a029b3d758bcd1fffbf495531c95537");
// const slotA = write(initialSlot)(newLiteral(newDynamic("a")(Char)));
// const slotB = write(slotA )(newLiteral(newDynamic("b")(Char)));
// const slotC = write(initialSlot)(newLiteral(newDynamic("c")(Char)));
// const slotAB = merge(slotA)(slotB);
// const slotAC = merge(slotA)(slotC);
// const slotBC = merge(slotB)(slotC);
// console.log({slotAB, slotAC, slotBC});
// const un = union(slotAC)(slotBC);
// const merged = mergeN(un);
// console.log("merged:", merged);
// }
{
console.log("#################");
console.log("## Dict insert ##");
console.log("#################");
const dictSlot = write
(newSlot("MyDictSlot__d2e87499d9cf46b5c86d420c2057f52f"))
(newLiteral(emptyDict(compareStrings)));
const insertedX = write(dictSlot)
(transform
(read(dictSlot)) // input
(transform // fn (set "x" => 1n)
(newLiteral(1n))
(transform
(newLiteral("x"))
(newLiteral(set))
)));
const insertedY = write(dictSlot)
(transform
(read(dictSlot)) // input
(transform // fn (set "y" => 2n)
(newLiteral(2n))
(transform
(newLiteral("y"))
(newLiteral(set))
)));
const merged = merge
(compareDicts(compareStrings)(compareInts))
(insertedX)
(insertedY);
// is a conflict, but shouldn't be one...
// can we add the 'domain knowledge' that the composition of two non-key-overlapping dict.set-operations is commutative?
console.log({merged});
}
// // console.log(compareSlots(intCompare)(fiveSlot)(fiveSlot));
// // console.log(compareSlots(intCompare)(sixSlot)(sixSlot));
// // console.log(compareSlots(intCompare)(fiveSlot)(sixSlot));
// // console.log(compareSlots(intCompare)(sixSlot)(fiveSlot));
// console.log(pretty({sixSevenEightSlot}));
// // console.log("########################");
// // console.log("## Heterogeneous data ##");
// // console.log("########################");
// // // Slot<Int>
// // const numberOfSheepSlot = newSlot(Symbol('numberOfSheep'))(newLiteral(5));
// // const alternativeNumberOfSheepSlot = newSlot(Symbol('alternativeNumberOfSheep'))(newLiteral(6));
// // // Slot<String>
// // const labelSlot = newSlot(Symbol('label'))(newLiteral("number of sheep"));
// // const combineFn = newLiteral(label => numberOfSheep => `${label}: ${numberOfSheep}`)
// // // Slot<String>
// // const labelAndValueSlotA = overwrite(labelSlot)(
// // transform(read(numberOfSheepSlot))(
// // transform(read(labelSlot))(combineFn)));
// // const labelAndValueSlotB = overwrite(labelSlot)(
// // transform(read(alternativeNumberOfSheepSlot))(
// // transform(read(labelSlot))(combineFn)));
// // console.log(
// // add(add(emptySet(compareSlots(compareStrings)))(labelAndValueSlotA))(labelAndValueSlotB)
// // );
// // merge()(labelSlot)(labelAndValueSlot)