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c1ef4bffd2
1. Deprecating the `write_one` function Semantically, this function is a composition of `write_with_len_prefix` and `io.close()`. This represents a footgun because the `close` functionality is not obvious and only mentioned in the docs. Using this function multiple times on a single substream will produces hard to debug behaviour. 2. Deprecating `read_one` and `write_with_len_prefix` functions 3. Introducing `write_length_prefixed` and `read_length_prefixed` - These functions are symmetric and do exactly what you would expect, just writing to the socket without closing - They also have a symmetric interface (no more custom errors, just `io::Error`) Co-authored-by: Max Inden <mail@max-inden.de>