freddi301

export type Lazy<Value> = () => Value

export function lazy<Value>(thunk: () => Value){
  let value: Value // will hold computed value
  let factory: (() => Value) | null = thunk // used as check if value is computed and allow thunk to be garbage collected
  return () => {
    if (!factory) {
      return value
    } else {
      value = factory()

freddi301

import { any } from "prop-types";

type Cell = { initialized: boolean; state: any; next: any };

export function Cell(): Cell {
  return { initialized: false, state: null, next: null };
}

export type CellFunction = <State, Initial>(
  callback: (state: State | Initial) => State,

freddi301

/*
let a = 1

let b = 2

const u = plus(a, mul(b,b))

const f = x => plus(a, x)

const k = f(b)

freddi301

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

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

freddi301

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

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

freddi301

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

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;
    }

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<