hollow: Rust attr macro that swallows blocks of code

[(https://img.shields.io/crates/v/hollow?style=for-the-badge)] [(https://img.shields.io/docsrs/hollow?style=for-the-badge)]

The functionality and use is pretty simple, as is doc comments in src/lib.rs.

lib.rs:

An easier way to mask code blocks than commenting them out. *

• Due to rust#54727, it can
• not be used on { } blocks yet.