public GenericInvoker(Expression <T> expression)
{
this.expression = expression;
this.numParams = GenericParametersVisitor.GenericParameters(expression);
ParameterExpression tp = Expression.Parameter(typeof(Type[]));
}
public static int GenericParameters(LambdaExpression expression)
{
var gpv = new GenericParametersVisitor();
gpv.Visit(expression);
if (gpv.parameters == null)
{
throw new InvalidOperationException("No generic method or constructor found on expression:\r\n{0}".FormatWith(expression.ToString()));
}
return(gpv.parameters.Value);
}