public VariableEffects Lub(VariableEffects other)
{
var lubVars = new Map <Identifier, ReadWriteDomain>();
foreach (var kv in vars)
{
var rw = default(ReadWriteDomain);
if (other.vars.TryGetValue(kv.Key, out rw))
{
lubVars.Add(kv.Key, kv.Value.Lub(rw));
}
else
{
lubVars.Add(kv.Key, kv.Value);
}
}
foreach (var kv in other.vars)
{
if (!vars.ContainsKey(kv.Key))
{
lubVars.Add(kv.Key, kv.Value);
}
}
return(new VariableEffects(lubVars));
}
public bool DisjointKeys(IImMap <K, V> other)
{
if (entries == null || other.Count == 0)
{
return(true);
}
foreach (var e in entries)
{
if (e != null)
{
if (other.ContainsKey(e.Key))
{
return(false);
}
}
}
return(true);
}