#include <string>

#include "tensorflow/c/tf_tensor.h"

namespace tensorflow {

// The following are utils for the shape of a TF_Tensor type.
// These functions may later be subsumed by the methods for a
// TF_TensorShape type.

// Returns a string representation of the TF_Tensor shape.
std::string ShapeDebugString(TF_Tensor* tensor);

}  // namespace tensorflow

        left.mapRight({ assert false }).left.get() == LEFT

        right.mapRight({ assert it == RIGHT; RIGHT2 }).right.get() == RIGHT2
        right.mapLeft({ assert false }).right.get() == RIGHT
    }

    def "fold() subsumes flatMap()"() {
        expect:
        left.fold({ assert it == LEFT; either(LEFT2) }, { assert false }).left.get() == LEFT2

        right.fold({ assert false }, { assert it == RIGHT; either(RIGHT2) }).right.get() == RIGHT2