A file-based map to store key/value pairs in a file and get them using binary search [EXPERIMENTAL]
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README.md

rust-catalog

A "file-backed" map, which inserts keys and values into a file in O(n) time, and gets the values in O(log-n) time using binary search and file seeking. For now, it only supports insertion and getting of (hashable) keys and values that implement the Display and FromStr traits (i.e., those which can be converted to string and parsed back from string).

See the module documentation for more information.

Usage

Note that this was an experiment, and so use it at your own risk!

Add the following to your Cargo.toml...

catalog = "0.1.2"

Have a look at the detailed example for the precise usage.