// and assumes that f always returns the same value for a given c.
func FieldsFunc(s []byte, f func(rune) bool) [][]byte {
	// A span is used to record a slice of s of the form s[start:end].
	// The start index is inclusive and the end index is exclusive.
	type span struct {
		start int
		end   int
	}
	spans := make([]span, 0, 32)

	// Find the field start and end indices.
	// Doing this in a separate pass (rather than slicing the string s

### Docs

* ✏️ Fix typo in release notes. PR [#9835](https://github.com/tiangolo/fastapi/pull/9835) by [@francisbergin](https://github.com/francisbergin).
* 📝 Add external article: Build an SMS Spam Classifier Serverless Database with FaunaDB and FastAPI. PR [#9847](https://github.com/tiangolo/fastapi/pull/9847) by [@adejumoridwan](https://github.com/adejumoridwan).