static void Main(string[] args)
{
var productSpec =
new ProductMatchesCategory("cat1").Or(new ProductMatchesCategory("cat2"));
var expr = new ProductEFExpressionVisitor().ExpressionForSpecification(productSpec);
Console.WriteLine(expr.ToString());
var fn = expr.Compile();
Console.WriteLine(fn.Invoke(new EFProduct()
{
Category = "cat3"
}));
Console.WriteLine(fn.Invoke(new EFProduct()
{
Category = "cat1"
}));
Console.WriteLine(fn.Invoke(new EFProduct()
{
Category = "cat2"
}));
}
public void Visit(ProductMatchesCategory spec)
{
var category = spec.Category;
Expr = ef => ef.Category == category;
}
