using System;
using System.Collections.Generic;

namespace FiestaShark {
	public static class Extensions {
		public static byte RollLeft(this byte pThis, int pCount) {
			uint overflow = ((uint)pThis) << (pCount % 8);
			return (byte)((overflow & 0xFF) | (overflow >> 8));
		}

		public static byte RollRight(this byte pThis, int pCount) {
			uint overflow = (((uint)pThis) << 8) >> (pCount % 8);
			return (byte)((overflow & 0xFF) | (overflow >> 8));
		}

		public static TValue GetOrDefault<TKey, TValue>(this IDictionary<TKey, TValue> pThis, TKey pKey, TValue pDefault) {
			TValue result;
			return pThis.TryGetValue(pKey, out result) ? result : pDefault;
		}
	}
}