Walter Scott walteh

👨‍💻 backend software engineer

walteh / into.swift

Last active July 20, 2024 23:29

	public extension Result {
	// Extract the value if it's a success
	var value: Success? {
	switch self {
	case let .success(value):
	return value
	case .failure:
	return nil
	}
	}

walteh / CheckSameSign.sol

Last active July 12, 2022 11:10

gas analysis of different methods of checking sign equality of integers in solidity v8

	// SPDX-License-Identifier: UNLICENSED

	pragma solidity 0.8.15;

	import "forge-std/Script.sol";
	import "forge-std/Test.sol";

	function checkSameSign1(int256 a, int256 b) pure returns (bool sameSign) {
	uint256 sa;
	uint256 sb;

walteh / assemblyStorageRef.sol

Last active February 23, 2022 00:28

simple example of how solidity calculates storage refs for structs

	pragma solidity 0.8.12;

	// contains refs to hardhat console.sol and DSTest.sol contract
	import '../utils/forge.sol';

	contract test is t {

	struct Test {
	uint256 a;
	uint256 b;