// This file is part of ICU4X. For terms of use, please see the file

// called LICENSE at the top level of the ICU4X source tree

// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).

use displaydoc::Display;

/// Error types for the `zerotrie` crate.

#[derive(Debug, Copy, Clone, PartialEq, Eq, Display)]

#[non_exhaustive]

pub enum Error {

    /// Non-ASCII data was added to an ASCII-only collection.

    #[displaydoc("Non-ASCII cannot be added to an ASCII-only collection")]

    NonAsciiError,

    /// The collection reached its maximum supported capacity.

    #[displaydoc("Reached maximum capacity of collection")]

    CapacityExceeded,

    /// The builder could not solve the perfect hash function.

    #[displaydoc("Failed to solve the perfect hash function. This is rare! Please report your case to the ICU4X team.")]

    CouldNotSolvePerfectHash,

    /// Mixed-case data was added to a case-insensitive trie.

    #[displaydoc("Mixed-case data added to case-insensitive trie")]

    MixedCase,

}