geometric-traits 0.2.2

Trait-based algebraic and graph algorithms for Rust, supporting no_std environments
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//! Trait for calculating similarity between two items.

/// Trait for calculating similarity between two items.
pub trait ScalarSimilarity<L, R> {
    /// The type of the similarity score.
    type Similarity;

    /// Calculate the similarity between two items.
    fn similarity(&self, left: &L, right: &R) -> Self::Similarity;
}