Are these `#[inline]` helping?

[dpc]

I've noticed that log crate goes out of it's way to add #[inline] in a lot of places. I'd like to ask - is it worth it with a current rust compiler? Any experiences and measurements?

Corresponding slog-rs issue: slog-rs/slog#25

[dtolnay]

Here is the latest wisdom about #[inline]: rust-lang/rust#52704 (comment).