frangio

pragma solidity ^0.8.0;

function keccak256_2(bytes memory data) external pure returns (bytes32) {
    bytes32 h1 = keccak256(data);
    bytes32 h2;
    /// @solidity memory-safe-assembly
    assembly {
        mstore(0, h1)
        h2 := keccak256(0, 32)
    }

frangio

export async function* concurrently<T>(...gs: AsyncGenerator<T, void>[]): AsyncGenerator<T, void> {
  const k = (i: number) => (res: IteratorResult<T>) => [i, res] as const;
  const running = new Set(gs);
  try {
    const ps = gs.map((g, i) => g.next().then(k(i)));
    const queue = new Set(ps);
    while (queue.size > 0) {
      const [i, res] = await Promise.race(queue);
      const g = gs[i]!;
      queue.delete(ps[i]!);

frangio

export async function* chain<T, U>(g: AsyncGenerator<T, void>, f: (x: T) => AsyncGenerator<U, void>): AsyncGenerator<U, void> {
  type R<I> = IteratorResult<I extends number ? U : T, void>;
  type IR<I> = [I, R<I>];
  const k = <I>(i: I) => (res: R<I>): IR<I> => [i, res];
  const running = new Set<AsyncGenerator<unknown, void>>([g]);
  let p = g.next().then(k(null));
  const ps: Promise<IR<number>>[] = [];
  const gs: AsyncGenerator<U, void>[] = [];
  const queue = new Set<Promise<IR<null> | IR<number>>>([p]);
  try {

frangio

// SPDX-License-Identifier: MIT
pragma solidity 0.8.16;

import "./StateMachines.sol";

contract Pausable is StateMachines {
    StateMachine m = initial("unpaused");

    event Paused(bool paused);

frangio

npm ls $(jq -r '.packages | to_entries[] | select(.value.deprecated != null) | .key | split("node_modules/")[-1]' package-lock.json)

frangio

// larger buffer => faster
const BUFFER_SIZE = 1024;

let buffer;

/**
 * @param {string} text
 * @returns {number}
 */
function utf8Length(text) {

frangio

// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

function isAsciiPrintableShortString(string memory str) pure returns (bool) {
    unchecked {
        uint256 b = uint256(bytes32(hex"0101010101010101010101010101010101010101010101010101010101010101"));

        bytes32 chars = bytes32(bytes(str));
        uint256 len = bytes(str).length;

frangio

"use strict";

const defaultOptions = {
  reverse: true,
  python: false
}

function merge(sequences) {
  let result = [];
  sequences = sequences.map(s => s.slice());

frangio

import Std.Data.Nat.Lemmas
import Std.Tactic.Omega
import Std.Tactic.Simpa

def fib (n : Nat) :=
  match n with
  | 0 | 1 => n
  | n' + 2 => fib (n' + 1) + fib n'

def fastfib (n : Nat) := loop n 1 0

frangio

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.13;

import {Test} from "forge-std/Test.sol";

contract SwapTest is Test {
    event Gasused(uint);

    event Swap(
        bytes32 indexed id,