field declaration. An empty tag string is equivalent to an absent tag.
The tags are made visible through a <a href="/pkg/reflect/#StructTag">reflection interface</a>
and take part in <a href="#Type_identity">type identity</a> for structs
but are otherwise ignored.
</p>

<pre>
struct {
	x, y float64 ""  // an empty tag string is like an absent tag
	name string  "any string is permitted as a tag"

* 📝 Simplify example for docs for Additional Responses, remove unnecessary `else`. PR [#4693](https://github.com/tiangolo/fastapi/pull/4693) by [@adriangb](https://github.com/adriangb).
* 📝 Update docs, compare enums with identity instead of equality. PR [#4905](https://github.com/tiangolo/fastapi/pull/4905) by [@MicaelJarniac](https://github.com/MicaelJarniac).