Hello! How to use microseconds and nanoseconds in `LocalDateTime.Format { ... }`? `LocalDateTime` is...

# kotlinx-datetime

[Zhang Zihan]

Hello! How to use microseconds and nanoseconds in LocalDateTime.Format { ... }? LocalDateTime is accurate to nanoseconds, but it cannot format the nanoseconds, which is strange 🧐

[Dmitry Khalanskiy [JB]]

https://kotlinlang.org/api/kotlinx-datetime/kotlinx-datetime/kotlinx.datetime.format/-date-time-format-builder/-with-time/second-fraction.html

[Zhang Zihan]

@Dmitry Khalanskiy [JB] Thank you so much! ❤️