internal bool Find(T x)
{
FList <T> curr = this;
while (curr != Empty)
{
if (curr.elem.Equals(x))
{
return(true);
}
curr = curr.next;
}
return(false);
}
public override string ToString()
{
StringBuilder sb = new StringBuilder();
sb.Append("< ");
if (this != Empty)
{
sb.Append(this.elem);
FList <T> curr = this.next;
while (curr != Empty)
{
sb.Append(", " + curr.elem.ToString());
curr = curr.next;
}
sb.Append(" >");
}
return(sb.ToString());
}
internal FList <T> Cons(T elem, FList <T> next)
{
return(new FList <T>(elem, next));
}
internal FList(T elem, FList <T> next)
{
this.elem = elem;
this.next = next;
}