public static LambdaSpecification <T> And(LambdaSpecification <T> leftSide, LambdaSpecification <T> rightSide)
{
Expression <Func <T, bool> > left = leftSide.Predicado;
IEnumerable <ParameterExpression> parameters = left.Parameters;
InvocationExpression right = Expression.Invoke(rightSide.Predicado, parameters);
BinaryExpression andAlso = Expression.AndAlso(left.Body, right);
Expression <Func <T, bool> > newExpression = Expression.Lambda <Func <T, bool> >(andAlso, parameters);
return(new LambdaSpecification <T>(newExpression));
}
public LambdaSpecification <T> And(LambdaSpecification <T> other)
{
return(And(this, other));
}
public LambdaSpecification <T> Or(LambdaSpecification <T> other)
{
return(Or(this, other));
}