Do statistics

[samsartor]

• [ ] How often is Unpin manually implemented on user types?
• [ ] In what sort of situations do users need pin_project?
• [ ] How much do popular crates use GATs?
• [ ] Is destructing assignment used much vs destructing binding?
• [ ] What Unicode classes appear in variable names?
• [ ] How often do functions return impl Future + ... because the async syntax is limited, vs use the async syntax.
• [ ] In a random selection of Iterator implementations, how many could have used coroutines (how to account for async_stream crate?)
• [ ] How much is Infallible used outside of type Error = Infallible.
• [ ] How many empty enums are defined.

[ShadowBearVR]

• [ ] How did GAT usage change over time?
• [ ] How did Unsafe Code Usage change over time?
• [ ] How did Async/Await Code Usage Change over time?
• [ ] How often are Unsafe Blocks used inside Unsafe Functions vs Standalone? How often do Unsafe Functions not contain Unsafe Blocks?
• [ ] How often are Async Blocks used inside Async Functions vs Standalone? How often do Async Functions not contain Async Blocks?
• [ ] What traits get used as further bounds on Futures?
• [ ] Count lifetimes separately