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const status = Symbol();
const value = Symbol();
const set = Symbol();
const listeners = Symbol();

class Promise {
  constructor(callback) {
    this[listeners] = [];
    this[status] = "pending";
    const resolve = value => {

freddi301

class TaggedUnionValue<
  TaggedUnion extends { [K in keyof TaggedUnion]: any[] },
  Tag extends keyof TaggedUnion
> {
  constructor(
    private readonly tag: Tag,
    private readonly value: TaggedUnion[Tag],
  ) {}
}

freddi301

function pipe<A, B>(f: (a: A) => B) {
  return {
    end: f,
    pipe<C>(g: (b: B) => C) {
      return pipe((a: A) => g(f(a)));
    }
  };
}

function compose<A, B>(f: (a: A) => B) {

freddi301

class DataValid<T, E> {
  constructor(public data: T) {}
}
class DataInvalid<T, E> {
  constructor(public error: E, public got: unknown) {}
}
type DataValidity<T, E> = DataValid<T, E> | DataInvalid<T, E>;

type DataValidator<T, E> = (data: unknown) => DataValidity<T, E>;
type DataValidatorData<

freddi301

const match = <T>(item: T) => <
  Matchers extends ((item: T) => Match<any> | undefined)[]
>(
  ...cases: Matchers
): Exclude<ReturnType<Matchers[number]>, undefined>["value"] => {
  for (const matcher of cases) {
    const result = matcher(item) as ReturnType<Matchers[number]>;
    if (result) {
      return result.value;
    }

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const ns = [
  { name: "a", x: 200.01, y: 200.01 },
  { name: "b", x: 220, y: 220 },
  { name: "c", x: 180, y: 200.01 },
  { name: "d", x: 182, y: 201 },
  { name: "e", x: 230, y: 170 },
  { name: "f", x: Math.random() * 400, y: Math.random() * 400 },
  { name: "g", x: Math.random() * 400, y: Math.random() * 400 },
];

freddi301

import sourcecode

case class Symbol(name: String)(implicit line: sourcecode.Line)

case class Struct(tag: Symbol, entries: Map[Symbol, Struct])

sealed trait TypeTerm

case class Union(cases: Map[Symbol, Map[Symbol, TypeTerm]]) extends TypeTerm

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type Tequal<A, B> = A extends B ? (B extends A ? true : false) : false;

type Bind<P extends Record<string, any>, R> = Tequal<P, {}> extends false
  ? (<K extends keyof P>(
      key: K,
      value: P[K]
    ) => Bind<Pick<P, Exclude<keyof P, K>>, R>)
  : () => R;

function curryNamed<Params extends Record<string, any>, R>(

freddi301

# You must run these command manually

mkdir ipfs
cd ipfs

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.34.0/install.sh | bash
source ~/.profile
nvm install stable
nvm use stable
npm install -g yarn

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extern crate crypto;
use self::crypto::digest::Digest;
use self::crypto::sha2::Sha256;

use std::mem;
use std::rc::Rc;

fn main() {
  let mut hasher = Sha256::new();
  // write input message