crepererum commented on code in PR #7548:
URL: https://github.com/apache/arrow-rs/pull/7548#discussion_r2108883176
##########
parquet_derive_test/src/lib.rs:
##########
@@ -347,6 +347,36 @@ mod tests {
assert_eq!(drs[0].isize, out[0].isize);
}
+ #[test]
+ fn test_aliased_result() {
+ // Issue 7547, Where aliasing the `Result` led to
+ // a collision with the macro internals of derive ParquetRecordReader
+
+ mod aliased_result {
+ use parquet_derive::{ParquetRecordReader, ParquetRecordWriter};
+ pub type Result = std::result::Result<(), Box<dyn
std::error::Error>>;
+
+ #[derive(ParquetRecordReader, ParquetRecordWriter, Debug)]
+ pub struct ARecord {
+ pub bool: bool,
+ pub string: String,
+ }
+
+ impl ARecord {
+ pub fn validate(&self) -> Result {
Review Comment:
```suggestion
pub fn validate(&self) -> std::result::Result<(), Box<dyn
std::error::Error>> {
```
(so it doesn't use our `Result` shadow)
##########
parquet_derive_test/src/lib.rs:
##########
@@ -347,6 +347,36 @@ mod tests {
assert_eq!(drs[0].isize, out[0].isize);
}
+ #[test]
+ fn test_aliased_result() {
+ // Issue 7547, Where aliasing the `Result` led to
+ // a collision with the macro internals of derive ParquetRecordReader
+
+ mod aliased_result {
+ use parquet_derive::{ParquetRecordReader, ParquetRecordWriter};
+ pub type Result = std::result::Result<(), Box<dyn
std::error::Error>>;
Review Comment:
```suggestion
// not an actual result type
pub type Result = ();
```
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