# fidl::ostream::Formatter\< std::optional\< T \> \>

## Summary

| ### Public static functions ||
|---|---|
| `https://fuchsia.dev/reference/cpp/struct/fidl/ostream/formatter-std/optional-t-01-4#structfidl_1_1ostream_1_1_formatter_3_01std_1_1optional_3_01_t_01_4_01_4_1a10fa8c5a8dadbfda28922e5c36f5d11f(std::ostream & os, const std::optional< T > & value)` | `std::ostream &` |

## Public static functions

### Format

```c++
std::ostream & fidl::ostream::Formatter< std::optional< T > >::Format(
  std::ostream & os,
  const std::optional< T > & value
)
```