using System;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.Serialization;
namespace Python.Runtime
{
[Serializable]
public class PyIterable : PyObject, IEnumerable
{
internal PyIterable(BorrowedReference reference) : base(reference) { }
internal PyIterable(in StolenReference reference) : base(reference) { }
protected PyIterable(SerializationInfo info, StreamingContext context)
: base(info, context) { }
///
/// Creates new instance from an existing object.
///
/// This constructor does not check if is actually iterable.
public PyIterable(PyObject o) : base(FromObject(o)) { }
static BorrowedReference FromObject(PyObject o)
{
if (o is null) throw new ArgumentNullException(nameof(o));
return o.Reference;
}
///
/// Return a new PyIter object for the object. This allows any iterable
/// python object to be iterated over in C#. A PythonException will be
/// raised if the object is not iterable.
///
public PyIter GetEnumerator()
{
return PyIter.GetIter(this);
}
IEnumerator IEnumerable.GetEnumerator() => this.GetEnumerator();
IEnumerator IEnumerable.GetEnumerator() => this.GetEnumerator();
}
}