datasketch_minhash_lsh/
error.rs

1use std::{error, fmt};
2
3#[derive(Debug)]
4// https://doc.rust-lang.org/rust-by-example/error/multiple_error_types/wrap_error.html for from
5//  example if we need it
6pub enum MinHashingError {
7    DifferentSeeds,
8    DifferentNumPermFuncs,
9    WrongThresholdInterval,
10    NumPermFuncsTooLow,
11    WrongWeightThreshold,
12    UnexpectedSumWeight,
13    KeyDoesNotExist,
14}
15
16impl fmt::Display for MinHashingError {
17    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
18        match *self {
19            MinHashingError::DifferentSeeds => write!(
20                f,
21                "computing jaccard similarity between minhashes only works if they \
22                use the same seed"
23            ),
24            MinHashingError::DifferentNumPermFuncs => write!(
25                f,
26                "computing jaccard similarity between minhashes only works if they \
27                use the same number of permutation functions"
28            ),
29            MinHashingError::WrongThresholdInterval => write!(f, "threshold must be in [0.0, 1.0]"),
30            MinHashingError::NumPermFuncsTooLow => write!(f, "Too few permutation functions"),
31            MinHashingError::WrongWeightThreshold => write!(f, "Weight must be in [0.0, 1.0]"),
32            MinHashingError::UnexpectedSumWeight => write!(f, "Weights must sum to 1.0"),
33            MinHashingError::KeyDoesNotExist => write!(f, "Attempted to remove a non-existing key"),
34        }
35    }
36}
37
38impl error::Error for MinHashingError {}
datasketch_minhash_lsh/error.rs

datasketch_minhash_lsh/
error.rs
