mmtkvdb 0.0.3

Memory-mapped key-value database using LMDB
Documentation 
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# mmtkvdb

`mmtkvdb` is a crate for Rust which provides a memory-mapped key-value
database. It uses LMDB and links with an existing `liblmdb` on the system.

## API Documentation

For documentation on how to use this crate, refer to the example in
`src/lib.rs`.

## License

See contained `LICENSE` file (MIT License).

## Changelog

* 2022-04-16: Version 0.0.3
  * Avoid transmute on references: To avoid issues with (possible) future
    changes in Rust, the `storable` module doesn't use `transmute` on
    references anymore. Instead, `std::slice::from_raw_parts`,
    `std::str::from_utf8_unchecked`, and `str::as_bytes()` are used.
* 2022-04-11: Version 0.0.2
  * Moved `Storable`, `StorableConstBytesLen`, and `StorableWithOwned` traits
    to new (public) `storable` module (but `Storable` gets re-exported by
    crate-level module)
  * Added method to clear stale readers
  * Improved documentation on (un)safety
  * Avoid unnecessary re-alignment in some cases of `u8` and `i8`
  * Make type `bool` storable (i.e. implement `Storable` for `bool`)
  * Added documentation comments for private items
  * Code cleanup (moved private `IsType` trait to `helpers` module)
* 2022-04-10: Version 0.0.1
  * First release