nedgrady

bool theNumberIsEven (int number) => number % 2 == 0;

numbers.Where(theNumberIsEven);

nedgrady

int[] numbers = { 1, 4, 7, 2, 8, 6, 9, 7, 1, 6, 10 };

numbers.Where(number => number % 2 == 0);

nedgrady

for (let numberToFactorise of numbersToFactorise) {
    for (let possibleFactor = 1; possibleFactor <= numberToFactorise; possibleFactor++) {
        if (numberToFactorise % possibleFactor === 0)
            allFactors.push(numberToFactorise)
    }
}

nedgrady

const numbersToFactorise = [99999, 12, 15]
const allFactors = []

for (let number of numbersToFactorise) {
    for (let i = 1; i <= number; i++) {
        if (number % i === 0)
            allFactors.push(number)
    }
}

nedgrady

const numberToFactorise = 99999
const confirmedFactors = []

for (let i = 1; i <= numberToFactorise; i++)
{
    if(numberToFactorise % i === 0)
        confirmedFactors.push(i)
}

nedgrady

class PaymentUriBuilder
{
    private string QueryString => CreateQueryString(_queryStringCache.Exposed);
	
    private string SafeQueryString => CreateQueryString(_queryStringCache.Redacted);
	
    private readonly DoubleDic<string, string> _queryStringCache = 
	    new DoubleDic<string ,string>(new SortedDictionary<string, string>());
	
    private string CreateQueryString(IReadOnlyDictionary<string, string> dic)

nedgrady

class DoubleDic<TKey, TValue>
{
    public HashSet<TKey> SensitiveKeys { get; } = new HashSet<TKey>();

    public IReadOnlyDictionary<TKey, TValue> Exposed => _source;

    public TValue RedactedValue { get; set; }

    public IReadOnlyDictionary<TKey, TValue> Redacted
    {

nedgrady

private string SafeQueryString => 
    string.Join("&", _queryStringCache.Select(
        pair => $"{pair.Key}={(_sensitiveParameters.Contains(pair.Key) ? "XXX" : pair.Value)}"));

nedgrady

var builder =
    new PaymentUriBuilder("http://www.paymentprocessor.com/makeapayment", "SECRET")
        .Append("AMOUNT", paymentModel.Amount)
        .Append("PASSWORD", Configuration.Password)
        .Append("USER", Configuration.Username)
        .Append("CURRENCY", paymentModel.CurrencyCode;
	
  Logger.AddInformational($"Generated Payment Page URL: '{builder.SafePaymentUri}'");

nedgrady

private readonly HashSet<string> _sensitiveParameters = new HashSet<string>()
{
    "PASSWORD",
    "NAME",
    "EMAIL",
    "ADDRESS"
};

public string SafeQueryString
{