public Fact GetFact(FactReference reference) => factsByReference[reference];
public static Fact Create(string type, ImmutableList <Field> fields, ImmutableList <Predecessor> predecessors)
{
var reference = new FactReference(type, ComputeHash(fields, predecessors));
return(new Fact(reference, fields, predecessors));
}
private Fact(FactReference reference, ImmutableList <Field> fields, ImmutableList <Predecessor> predecessors)
{
Reference = reference;
Fields = fields;
Predecessors = predecessors;
}
public PredecessorSingle(string role, FactReference reference) :
base(role)
{
Reference = reference;
}