internal static TValue GetValueOrDefault()

in Chemistry/src/DataModel/Extensions.cs [65:109]
25 lines of code
6 McCabe index (conditional complexity)

        internal static TValue GetValueOrDefault<TKey, TValue>(
                this Dictionary<TKey, TValue> dictionary, TKey key,
                TValue defaultValue = default
        ) =>
            dictionary.TryGetValue(key, out var value)
            ? value
            : defaultValue;

        #endregion


        #region Array Comparers
        /// <summary>
        /// Compares two equal-length sequences of integers by perform an element-wise
        /// comparison, starting from the first element.
        /// </summary>
        /// <param name="xArr">First sequence of elements.</param>
        /// <param name="yArr">Second sequence of elements.</param>
        /// <param name="comparer">Comparer used to define ordering of elements.</param>
        /// <returns>
        /// Returns <c>1</c> if <paramref name="xArr"/> is greater than <paramref name="yArr"/>.
        /// Returns <c>-1</c> if <paramref name="xArr"/> is less than <paramref name="yArr"/>.
        /// Returns <c>0</c> if <paramref name="xArr"/> is equal to <paramref name="yArr"/>.
        /// </returns>
        /// <example>
        /// CompareIntArray(new Int64[] {5}, new Int64[] {7}) == -1;
        /// CompareIntArray(new Int64[] {5,7}, new Int64[] {5,6}) == 1;
        /// CompareIntArray(new Int64[] {2,1,3}, new Int64[] {2,2,3}) == -1;
        /// </example>
        public static int CompareArray<TElement>(IEnumerable<TElement> xArr, IEnumerable<TElement> yArr, IComparer<TElement> comparer = null)
        {
            var useComparer = comparer == null ? Comparer<TElement>.Default : comparer;
            foreach (var item in xArr.Zip(yArr, (x, y) => (x, y)))
            {
                if (useComparer.Compare(item.y, item.x) > 0)
                {
                    return -1;
                }
                else if (useComparer.Compare(item.y, item.x) < 0)
                {
                    return 1;
                }
            }
            return 0;
        }