use
The previous commit updated `rustfmt.toml` appropriately. This commit is the outcome of running `x fmt --all` with the new formatting options.
char::DebugEscape
write_str
Instead of writing each `char` of an escape sequence one by one, this delegates to `Display`, which uses `write_str` internally in order to write the whole escape sequence at once.
impl Debug for str
In order to inform future perf improvements and prevent regressions, lets add some benchmarks that stress `impl Debug for str`.