public static IArrayFunctionInstance ToInstance(IEnumerable <IFunctionInstance> enumerable)
{
IArrayFunctionInstance tail = ArrayTailFunction.Instance;
foreach (IFunctionInstance t in enumerable.Reverse())
{
tail = new ArrayHeadTailFunctionInstance(t, tail);
}
return(tail);
}
public IEnumerable <T> ValueEnumerable <T> (TermType target)
{
yield return((T)this.term.ConvertedValue(target));
IArrayFunctionInstance afi = this.tail;
while (afi is ArrayHeadTailFunctionInstance)
{
ArrayHeadTailFunctionInstance ahfi = (ArrayHeadTailFunctionInstance)afi;
yield return((T)ahfi.term.ConvertedValue(target));
afi = ahfi.tail;
}
}
public IEnumerator <IFunctionInstance> GetEnumerator()
{
yield return(this.term);
IArrayFunctionInstance afi = this.tail;
while (afi is ArrayHeadTailFunctionInstance)
{
ArrayHeadTailFunctionInstance ahfi = (ArrayHeadTailFunctionInstance)afi;
yield return(ahfi.term);
afi = ahfi.tail;
}
}
public string TermString(IArrayFunctionInstance instance)
{
StringBuilder sb = new StringBuilder("[");
if (this.Equals(instance.Header))
{
ArrayHeadTailFunctionInstance ahtfi = (ArrayHeadTailFunctionInstance)instance;
sb.Append(ahtfi.Term);
instance = ahtfi.Tail;
}
this.generateRestTermString(sb, instance);
sb.Append("]");
return(sb.ToString());
}