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OTP 23 has been released

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  1. Download the latest IntelliJ IDEA build and install it. Setup the latest version of Erlang plugin from Configure Plugins Browse Repositories. Restart IntelliJ IDEA. You can import your existing Erlang project or create the new one.
  2. To have it yourself on your computer Mac or PC, you just have to follow the steps below: Click here = Download Bluestacks Download Nox for PC Download Nox Tuber Simulator” from the store.
  3. A compiler for Erlang to native code for a given target (x86, ARM, WebAssembly) An Erlang runtime, implemented in Rust, which provides the core functionality needed to implement OTP The primary motivator for Lumen's development was the ability to compile Elixir applications that could target WebAssembly, enabling use of Elixir as a language for.

OTP 23.0 Source File (248)

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OTP 23.0 Windows 32-bit Binary File (248)

OTP 23.0 Windows 64-bit Binary File (248)

OTP 23.0 HTML Documentation File (248)

OTP 23.0 Man Pages File (248)

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OTP 23

Erlang/OTP 23 is a new major release with new features, improvements as well as a few incompatibilities.

Potential Incompatibilities

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  • SSL:
    • Support for SSL 3.0 is completely removed.
    • TLS 1.3 is added to the list of default supported versions.
  • erl_interface: Removed the deprecated parts of erl_interface (erl_interface.h and essentially all C functions with prefix erl_).
  • The deprecated erlang:get_stacktrace/0 BIF now returns an empty list instead of a stacktrace. erlang:get_stacktrace/0 is scheduled for removal in OTP 24.

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Improvements and new features

  • ssh:

    • OpenSSH 6.5 introduced a new file representation of keys called openssh-key-v1. This is now supported with the exception of handling encrypted keys.
    • Algorithm configuration could now be done in a .config file. This is useful for example to enable an algorithm that is disabled by default without need to change the code.

  • SSL:

    • Support for the middlebox compatibility mode makes the TLS 1.3 handshake look more like a TLS 1.2 handshake and increases the chance of successfully establishing TLS 1.3 connections through legacy middleboxes.
    • Add support for key exchange with Edward curves and PSS-RSA padding in signature verification

  • The possibility to run Erlang distribution without relying on EPMD has been extended. To achieve this a couple of new options to the inet distribution has been added.

    • -dist_listen false Setup the distribution channel, but do not listen for incoming connection.
    • -erl_epmd_port Port Configure a default port that the built-in EPMD client should return.

  • A first EXPERIMENTAL socket backend to
    gen_tcp and inet has been implemented. gen_udp and gen_sctp will follow.
    Putting {inet_backend, socket} as first option to listen() or connect() makes it easy to try this for existing code

  • A new module erpc in kernel which implements an enhanced subset of the operations provided by the rpc module. Enhanced in the sense that it makes it possible to distinguish between returned value, raised exceptions and other errors. erpc also has better performance and scalability than the original rpc implementation. This by utilizing the newly introduced spawn_request() BIF. Also the rpc module benefits from these improvements by utilizing erpc when possible.

  • Scalability and performance Improvements plus new functionality regarding distributed spawn operations.

  • In binary matching, the size of the segment to be matched is now allowed to be a guard expression (EEP-52)

  • When matching with maps the keys can now be guard expressions (EEP-52).

  • ssh: support for TCP/IP port forwarding, a.k.a tunnelling a.k.a as tcp-forward/direct-tcp is implemented. In the OpenSSH client, this corresponds to the options -L and -R.

  • Allow underscores in numeric literals to improve readability. Examples: 123_456_789, 16#1234_ABCD.

  • New functions in the shell for displaying documentation for Erlang modules, functions and types. The
    functions are:

    • h/1,2,3 -- Print the documentation for a Module:Function/Arity.
    • ht/1,2,3 -- Print the type documentation for a Module:Type/Arity.
      The embedded documentation is created as docchunks (EEP 48) when building the Erlang/OTP documentation.

  • kernel: The module pg with a new implementation of distributed named process groups is introduced. The old module pg2 is deprecated and scheduled for removal in OTP 24.

  • Our tool chain for building the Windows packages is upgraded with new C++ compiler, Java compiler, OpenSSL libraries and wxWidgets versions. We are now using WSL (the Linux Subsystem for Windows when building) which makes it easier to handle the build environment.

For more details see
http://erlang.org/download/otp_src_23.0.readme

Pre built versions for Windows with the new compiler can be fetched here:
http://erlang.org/download/otp_win32_23.0.1.exe
http://erlang.org/download/otp_win64_23.0.1.exe

Online documentation can be browsed here:
http://erlang.org/documentation/doc-11.0/doc
The Erlang/OTP source can also be found at GitHub on the official Erlang repository,
https://github.com/erlang/otp

About Erlang & OTP

Erlang is a functional programming language used to build scalable real-time systems with high availability. OTP is a set of libraries and the foundation of these systems. In this article, you will learn how to install and use the latest version of Erlang/OTP R16B on Mavericks, Mountain Lion, Lion or Snow Leopard.

How to Install

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Rudix provides Erlang pre-compiled packages for Mavericks, Mountain Lion, Lion and Snow Leopard.The page you will going to access is rudix.org/packages/erlang.html.

After the download, double click the package and follow the installation instructions. Note that Erlang/OTP is big and requires (after installed) about 300MB of disk space.

Default installation path

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Erlang/OTP will be installed under /usr/local/ and the full path for the Erlang/OTP interpreter will be /usr/local/bin/erl, but you don’t need to type the full path every time you want to call Erlang, it’s OK just to type erl on the Terminal to get the interpreter.

Important files:

Security note for Mountain Lion and Mavericks

On Mountain Lion and Mavericks things are a bit hard, you will probably get “erlang-R15B02-0.pkg” can’t be opened because it is from an unidentified developer. This means that the package was not registered with Apple – but you can choose to trust Rudix developers (I’m the author) and install anyway.

Here is how to bypass once your security settings:

  1. Press the Control key and click the package.
  2. Choose Open from the pop-up menu.
  3. Click Open button.

And now follow the installation instructions.

Testing Erlang/OTP

Test if your installation is OK by printing “Hello World!”.

Type Control+G, q and Return to exit. There’s a command halt(). with the same effect.