Implement Deserialize for DataType

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+ - Implement `Deserialize` for `DataType`
+   - A convenience for `zarrs` consumers. `ArrayMetadata` continues to use `Metadata` to parse unknown data types.
+
 ## [0.12.2] - 2024-02-26
 
 ### Added

src/array/data_type.rs

@@ -4,6 +4,7 @@
 
 use derive_more::From;
 use half::{bf16, f16};
+use serde::de::Error;
 use thiserror::Error;
 
 use crate::{
@@ -72,6 +73,13 @@ impl PartialEq for DataType {
 
 impl Eq for DataType {}
 
+impl<'de> serde::Deserialize<'de> for DataType {
+    fn deserialize<D: serde::Deserializer<'de>>(d: D) -> Result<Self, D::Error> {
+        let metadata = Metadata::deserialize(d)?;
+        DataType::from_metadata(&metadata).map_err(|err| D::Error::custom(err.to_string()))
+    }
+}
+
 // /// A data type plugin.
 // pub type DataTypePlugin = Plugin<Box<dyn DataTypeExtension>>;
 // inventory::collect!(DataTypePlugin);