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//! This crate contains various useful stuff, that libstd lacks of.
/// Extension of functionality for `Option`-like types.
/// Mathematical vectors.
/// Unreachability markers.
/// Extension for `HashMap`-like structures.
/// Extension for `HashSet`-like structures.
/// Primitives for debugging.
/// Faster hashing than the default.
/// Extras for IO.
/// Non-cryptographic pseudo-random number generators.
/// Panic-safe slicing.