clesaec commented on code in PR #2587:
URL: https://github.com/apache/avro/pull/2587#discussion_r1396856210
##########
lang/rust/avro/src/error.rs:
##########
@@ -478,6 +478,9 @@ pub enum Error {
#[error("Invalid Avro data! Cannot read codec type from value that is not
Value::Bytes.")]
BadCodecMetadata,
+
+ #[error("Schemas are not compatible. '{0}'")]
+ CompatibilityError(String),
Review Comment:
Currently, AvroResult is defined as
```rust
pub type AvroResult<T> = Result<T, Error>;
```
with Error as this Enum, so you can't derive.
Would be possible with
```rust
#[derive(thiserror::Error, Debug)]
pub enum CompatibilityError {
```
But, then, you could not build an AvroResult (until AvroResult is redefined
as `Result<T, thiserror::Error>`, but i don't know what would be other
consequences
WDYT @martin-g ?
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