datalogic-rs 5.9.0

use serde::ser::{Serialize, Serializer};

/// Internal storage for the breadcrumb, held inline in `Error` (see the
/// note on `Error::operator` for why the metadata is not boxed). Hidden
/// from the public surface so the layout (currently a plain `Vec<u32>`)
/// can evolve (smallvec, inline buffer, deferred-grow) without an API
/// change. Construct via `ErrorPath::default()` (empty) or
/// `From<Vec<u32>>`.
#[derive(Debug, Clone, Default)]
pub(crate) struct ErrorPath {
    inner: Vec<u32>,
}

impl ErrorPath {
    #[inline]
    pub(crate) fn as_slice(&self) -> &[u32] {
        &self.inner
    }
}

impl From<Vec<u32>> for ErrorPath {
    #[inline]
    fn from(inner: Vec<u32>) -> Self {
        Self { inner }
    }
}

impl PartialEq for ErrorPath {
    #[inline]
    fn eq(&self, other: &Self) -> bool {
        self.inner == other.inner
    }
}

impl Eq for ErrorPath {}

impl Serialize for ErrorPath {
    fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
        self.inner.serialize(serializer)
    }
}