static void Main(string[] args)
{
ParameterExpression paraLeft = Expression.Parameter(typeof(int), "a");
var paraRight = Expression.Parameter(typeof(int), "b");
BinaryExpression binaryLeft = Expression.Multiply(paraLeft, paraRight);
ConstantExpression conRight = Expression.Constant(2, typeof(int));
BinaryExpression binaryBody = Expression.Add(binaryLeft, conRight);
Expression<Func<int, int, int>> lambda = Expression.Lambda<Func<int, int, int>>(binaryBody, paraLeft, paraRight);
Func<int, int, int> myFunc = lambda.Compile();
int result = myFunc(3, 5);
Console.WriteLine(result);
Console.ReadKey();
Expression<Func<int, int, int>> expression = (a, b) => a + b * 3;
var operationsVisitor = new OperationsVisitor();
Expression modifyExpression = operationsVisitor.Modify(expression);
Console.WriteLine(modifyExpression.ToString());
//var lambda2 = expression.Compile();
//Console.WriteLine(lambda2());
Console.ReadKey();
LinkedList<string> l;
ArrayList al = new ArrayList(20);
}
static void Main(string[] args)
{
ParameterExpression paraLeft = Expression.Parameter(typeof(int), "a");
var paraRight = Expression.Parameter(typeof(int), "b");
BinaryExpression binaryLeft = Expression.Multiply(paraLeft, paraRight);
ConstantExpression conRight = Expression.Constant(2, typeof(int));
BinaryExpression binaryBody = Expression.Add(binaryLeft, conRight);
Expression <Func <int, int, int> > lambda = Expression.Lambda <Func <int, int, int> >(binaryBody, paraLeft, paraRight);
Func <int, int, int> myFunc = lambda.Compile();
int result = myFunc(3, 5);
Console.WriteLine(result);
Console.ReadKey();
Expression <Func <int, int, int> > expression = (a, b) => a + b * 3;
var operationsVisitor = new OperationsVisitor();
Expression modifyExpression = operationsVisitor.Modify(expression);
Console.WriteLine(modifyExpression.ToString());
//var lambda2 = expression.Compile();
//Console.WriteLine(lambda2());
Console.ReadKey();
LinkedList <string> l;
ArrayList al = new ArrayList(20);
}
