[ruby-core:115806] [Ruby master Feature#20069] Buffer class in stdlib

Issue #20069 has been updated by ioquatix (Samuel Williams).


> ruby use String to deal with bytes, this cause error on irb "invalid byte sequence in utf-8"

This is desirable behaviour. The String with UTF-8 encoding cannot contain invalid byte sequences. If you want to store binary data, use `Encoding::BINARY` encoding.

> can we get a builtin class like Buffer or Bytes that represent as hex string

A Binary string already presents the inspect output as a hex encoded String.

As others have pointed out, if you want actual memory mapped binary buffers, use `IO::Buffer`.

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Feature #20069: Buffer class in stdlib
https://bugs.ruby-lang.org/issues/20069#change-105755

* Author: pynix (Pynix wang)
* Status: Open
* Priority: Normal
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ruby use `String` to deal with bytes, this cause error on irb  "invalid byte sequence in utf-8"

can we get a builtin class like Buffer or Bytes that represent as hex string



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