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 //! Custom error type(s) for the parent module. 6 7 use displaydoc::Display; 8 9 /// A custom error type for [`CodePointTrie`](super::CodePointTrie). 10 #[derive(Copy, Clone, Display, Debug, PartialEq)] 11 #[non_exhaustive] 12 pub enum Error { 13 /// Could not construct [`CodePointTrie`](super::CodePointTrie) from deserialized values 14 #[displaydoc("Could not construct CodePointTrie from deserialized values: {reason}")] 15 FromDeserialized { 16 /// Reason for inability to deserialize values. 17 reason: &'static str, 18 }, 19 /// [`CodePointTrie`](super::CodePointTrie) must be constructed from data vector with at least one element 20 #[displaydoc("CodePointTrie must be constructed from data vector with at least one element")] 21 EmptyDataVector, 22 } 23 24 impl core::error::Error for Error {} 25