polars_core/chunked_array/metadata/
guard.rsuse std::ops::Deref;
use std::sync::RwLockReadGuard;
use super::Metadata;
use crate::chunked_array::PolarsDataType;
pub enum MetadataReadGuard<'a, T: PolarsDataType + 'a> {
Unlocked(RwLockReadGuard<'a, Metadata<T>>),
Locked(&'a Metadata<T>),
}
impl<'a, T: PolarsDataType + 'a> Deref for MetadataReadGuard<'a, T> {
type Target = Metadata<T>;
#[inline]
fn deref(&self) -> &Self::Target {
match self {
Self::Unlocked(v) => v.deref(),
Self::Locked(v) => v,
}
}
}