/// <summary>
        /// Changes the input type to the specified type.
        /// </summary>
        /// <remarks>
        /// This functionality can be used when a pattern is pass to an expression or statement that applies the pattern.
        /// </remarks>
        /// <param name="inputType">The new input type.</param>
        /// <returns>The original pattern rewritten to use the specified input type.</returns>
        public override CSharpPattern ChangeType(Type inputType)
        {
            if (inputType == InputType)
            {
                return(this);
            }

            return(CSharpPattern.ITuple(PatternInfo(inputType, NarrowedType), GetLengthMethod, GetItemMethod, Deconstruction));
        }
        /// <summary>
        /// Creates a new expression that is like this one, but using the supplied children. If all of the children are the same, it will return this expression.
        /// </summary>
        /// <param name="deconstruction">The <see cref="Deconstruction" /> property of the result.</param>
        /// <returns>This expression if no children changed, or an expression with the updated children.</returns>
        public ITupleCSharpPattern Update(IEnumerable <PositionalCSharpSubpattern> deconstruction)
        {
            if (SameElements(ref deconstruction, Deconstruction))
            {
                return(this);
            }

            return(CSharpPattern.ITuple(_info, GetLengthMethod, GetItemMethod, deconstruction));
        }