1 // This file is part of ICU4X. For terms of use, please see the file 2 // called LICENSE at the top level of the ICU4X source tree 3 // (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ). 4 5 use displaydoc::Display; 6 7 /// Error types for the `zerotrie` crate. 8 #[derive(Debug, Copy, Clone, PartialEq, Eq, Display)] 9 #[non_exhaustive] 10 pub enum ZeroTrieBuildError { 11 /// Non-ASCII data was added to an ASCII-only trie. 12 #[displaydoc("Non-ASCII cannot be added to an ASCII-only trie")] 13 NonAsciiError, 14 /// The trie reached its maximum supported capacity. 15 #[displaydoc("Reached maximum capacity of trie")] 16 CapacityExceeded, 17 /// The builder could not solve the perfect hash function. 18 #[displaydoc("Failed to solve the perfect hash function. This is rare! Please report your case to the ICU4X team.")] 19 CouldNotSolvePerfectHash, 20 /// Mixed-case data was added to a case-insensitive trie. 21 #[displaydoc("Mixed-case data added to case-insensitive trie")] 22 MixedCase, 23 } 24 25 impl core::error::Error for ZeroTrieBuildError {} 26