/// <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="variable">The <see cref="Variable" /> property of the result.</param>
/// <param name="resource">The <see cref="Resource" /> property of the result.</param>
/// <param name="body">The <see cref="Body" /> property of the result.</param>
/// <returns>This expression if no children changed, or an expression with the updated children.</returns>
public UsingCSharpStatement Update(ParameterExpression variable, Expression resource, Expression body)
{
if (variable == this.Variable && resource == this.Resource && body == this.Body)
{
return(this);
}
return(CSharpExpression.Using(variable, resource, body));
}
