Niche optimization is currently mentioned in three places:
- Enums (User-Defined Types, Day 1 Afternoon)
- Option (Standard Library Types, Day 2 Afternoon)
- Box (Smart Pointers, Day 3 Morning)
This is a tricky thing to get right, and it was just in the speaker
notes in each place. #1820 will introduce a fuller explanation.
Fixes#1820.
The files in this directory make up the content of the course. The files here
can include third-party content from ../third_party/ as well.
When we publish a translation of the course, we git restore the src/ and
third_party/ directories at the repository root back to the date listed in the
POT-Creation-Date header of the translation. It is crucial, that all
translatable content lives in those two directories. The other files (such as
book.toml and theme/) are not restored and we always use the latest version
of them.
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