[ruby-core:115766] [Ruby master Feature#20069] Buffer class in stdlib

Issue #20069 has been updated by pynix (Pynix wang). main use case is deal binary data，a replacement of String. eg grpc bytes type, crypto key and more. maybe not same as io buffer, so Bytes or Binary is good for class name. ---------------------------------------- Feature #20069: Buffer class in stdlib https://bugs.ruby-lang.org/issues/20069#change-105703 * Author: pynix (Pynix wang) * Status: Open * Priority: Normal ---------------------------------------- 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 -- https://bugs.ruby-lang.org/