[GitHub] [arrow-rs] jorgecarleitao commented on issue #1059: Allow csv reader builder to do schema inference even when reading csv from stdin

[GitBox <gi...@apache.org>]

jorgecarleitao commented on issue #1059:
URL: https://github.com/apache/arrow-rs/issues/1059#issuecomment-997150785


   I think that this may be achieved with the current code with a generic struct over `R: Read` that wraps a `reader: R` that
   
   1. implements `Read` and buffers the result.
   2. implements `Seek` to positions smaller than the buffer (and panics otherwise)
   3. when the read happens over the buffered result, it reads first from the buffer up to the length of the buffered result, and then from the inner reader
   
   


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