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The code shown in the article isn't Rust, but Rune [0], which has similar syntax, but is a dynamic scripting language. It has template literals [1].

[0] https://rune-rs.github.io/

[1] https://rune-rs.github.io/book/template_literals.html

Oh, that makes sense.

If you are talking about "Here is an example of a complete workload that measures performance of selecting rows by random keys", then you are looking at Rune code rather than Rust code.

See https://rune-rs.github.io/book/template_literals.html

Markdown uses backticks around code.

https://docs.github.com/en/github/writing-on-github/getting-...

HN doesn't use Markdown.