60 second where clause builder

_.cs

// 60 second where clauses

string Or(string a, string b)
{
	return "( " + a + " OR " + b + " )";
}

string And(string a, string b)
{
	return "( " + a + " AND " + b + " )";
}

string Eq(string a, string b)
{
	return "( " + a + " = " + b + " )";
}

void Main()
{
	// code like this
	
	var s = Or(
		And(
			Eq("A","@A0"), 
			Eq("B","@B0")
		),
		And(
			Eq("A","@A1"),
			Eq("B","@B1")
		)
	);
	
	Console.WriteLine(s);
	
	// that makes a string like this
	//(NPA = @NPA0 and NXX = @NXX0) OR (NPA = @NPA1 and NXX = @NXX1)

}

// Define other methods and classes here