ethe opened a new issue, #6327:
URL: https://github.com/apache/arrow-rs/issues/6327
**Is your feature request related to a problem or challenge? Please describe
what you are trying to do.**
In current, parquet defines all `AsyncWrite` implement `AsyncFileWriter`:
```rust
impl<T: AsyncWrite + Unpin + Send> AsyncFileWriter for T {
... ...
}
```
which would in conflict with:
```rust
impl<T: AsyncFileWriter> AsyncFileWriter for &mut T {
... ...
}
```
this definition is not included right now, however, it should be helpful in
more general cases.
**Describe the solution you'd like**
Wrap all tokio::io::AsyncWrite into a proxy struct, then we can define `&mut
AsyncFileWriter` implements `AsyncFileWriter`:
```rust
pub struct TokioFileWriter<F: AsyncWrite> {
file: F,
}
impl<F: AsyncWrite> From<F> for TokioFileWriter {
... ...
}
impl<F: AsyncWrite + Unpin + Send> for TokioFileWriter {
... ...
}
```
**Describe alternatives you've considered**
I don't think there is an alternatives.
**Additional context**
This is a breaking change, but it values to be considered.
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