# tensorflow::ops::Placeholder::Attrs Struct Reference

# tensorflow::
ops::
Placeholder::
Attrs

`
#include <array_ops.h>
`


Optional attribute setters for
[Placeholder](https://www.tensorflow.org/versions/r2.5/api_docs/cc/class/tensorflow/ops/placeholder#classtensorflow_1_1ops_1_1_placeholder)
.

## Summary

| ### Public attributes ||
|---|---|
| ` https://www.tensorflow.org/versions/r2.5/api_docs/cc/struct/tensorflow/ops/placeholder/attrs#structtensorflow_1_1ops_1_1_placeholder_1_1_attrs_1a6a6c519ecc364678035bee0c2e15fd62 = ::tensorflow::PartialTensorShape() ` | ` PartialTensorShape ` |

| ### Public functions ||
|---|---|
| ` https://www.tensorflow.org/versions/r2.5/api_docs/cc/struct/tensorflow/ops/placeholder/attrs#structtensorflow_1_1ops_1_1_placeholder_1_1_attrs_1a231b90321d75fb62c9c3e71fc94536d7 (PartialTensorShape x) ` | ` TF_MUST_USE_RESULT https://www.tensorflow.org/versions/r2.5/api_docs/cc/struct/tensorflow/ops/placeholder/attrs#structtensorflow_1_1ops_1_1_placeholder_1_1_attrs ` (Optional) The shape of the tensor. |

## Public attributes

### shape_

```
PartialTensorShape tensorflow::ops::Placeholder::Attrs::shape_ = ::tensorflow::PartialTensorShape()
```

## Public functions

### Shape

```
TF_MUST_USE_RESULT Attrs tensorflow::ops::Placeholder::Attrs::Shape(
  PartialTensorShape x
)
```

(Optional) The shape of the tensor.


If the shape has 0 dimensions, the shape is unconstrained.


Defaults to