The Hamler Programming Language
Time 2022-09-30 12:59:30Web Name: The Hamler Programming Language
WebSite: http://www.hamler-lang.org
ID:334912
Keywords:
Hamler,The,Language,ProgrammingDescription:
The Hamler Programming Language
Haskell-style functional programming language running on Erlang VM.
View the Project on GitHub hamler-lang/hamler
The Hamler Programming Language
Hamler is a strongly-typed language with compile-time typechecking and built-in support for concurrency and distribution.
Hamler empowers industries to build the next generation of scalable, reliable, realtime applications, especially for 5G, IoT and edge computing.
Why Hamler?
For almost a decade, we have been developing software systems based on Erlang/OTP, especially our main product EMQ X - the scalable open-source MQTT broker. So, we have always believed that Erlang is a masterpiece of engineering. With amazing concurrency, distribution and fault tolerance, it is one of the few general-purpose language platforms able to properly handle concurrency and soft realtime.
However, from all the experience writing Erlang, we believe that the following features can help Erlang programmer better adapt to the coming wave of 5G, IoT and edge-programming and attract more people for using BEAM.
Compile-time type checking and type reference ADTs, Function Composition, Type Classes More friendly syntax for prosperous communities Functor, Applicative and Monad…:)Now all the features are avaliable in the Hamler programming language.
Features
Functional programming Haskell and ML-style syntax Compile-time type Checking/Inference Algebraic data type (ADT) Functions, higher-order functions Currying and partial application Pattern matching, and Guards List comprehension Applicative and Monad Advanced module system Built-in concurrencyDesign
The Hamler compiler architecture is shown as below:
The Hamler 0.1 compiler was forked from PureScript 0.13.6. The Hamler source code is parsed to generate CST, then CoreErlang’s IR is generated after CST -> AST -> CoreFn’s syntax tree transformation, syntax analysis and type checking. The code is then used by the Erlang compiler to generate the final Beam bytecode.
Installation
Get installation packages from Github Release
Note: packages for windows will be coming soon…
Linux
$ tar zxvf hamler-$version.tgz -C /usr/lib/hamler$ ln -s /usr/lib/hamler/bin/hamer /usr/bin/hamler
Centos 7
$ rpm -ivh hamler-$version-1.el7.x86_64.rpm
Debian 8 / Debian 9 / Debian 10 / Ubuntu 16.04 / Ubuntu 18.04 / Ubuntu 20.04
$ dpkg -i hamler_$version_amd64.deb
Homebrew(macOS)
brew tap hamler-lang/hamlerbrew install hamler
Build from source code(macOS)
Install Erlang
brew install erlang@23
Install Stack
brew install haskell-stack
Clone hamler from the git repo
git clone https://github.com/hamler-lang/hamler.git
Install hamler
cd hamlermakemake install
Create a project
mkdir demo-project cd demo-project hamler init make make run
Try the interpreter
hamler repl > -- List, range and enums > [1,2,3] > [1..10] > ['a'..'z'] > -- erlang style maps > import Data.Map as Map > -- New map > m = #{"foo" => "bar", "bar" => "foo"} > -- Match Map > #{"foo" := a, "bar" := b} = m > -- get, put > Map.get "foo" m -- a = "bar" > Map.get "bar" m -- b = "foo" > m1 = Map.put "key" "val" > -- keys, values > keys = Map.keys m > values = Map.values m
Documentation
Cheatsheet Why Hamler? Quick Start Basic Types, Functions and Operators More Types and Pattern Matching High Order Functions And Recursions Type Classes Applicative and Monad Foreign Language Interface Data Types Mapping Message Passing Concurrency OTP Behaviours Node and Distributed Erlang Differences From Erlang FAQCommunity, discussion and supports
You can reach the Hamler community and core team via the following channels:
Slack - emqx/hamler-lang Twitter - @hamlerlang Reddit - /r/HamlerLang Medium - @hamlerlangContributing
To contribute to Hamler project:
Report issues: submit any bugs, issues to hamler/issues Contribute code: Fork the project, and submit feature requests to hamler-lang/hamler Submit a proposal: Fork the hamler-wiki project and submit pull requestCore Team
The Hamler core team comes from EMQ Technologies Co., Ltd. now:
Feng Lee: Designer of Hamler Language Yang M: Implemented Hamler Compiler S Hu: Maintainer of the documentations Shawn: Contributed rebar3_hamler plugin Rory Z: Contributed homebrew install package wivwiv: Designer of hamler-lang.org website CrazyWisdom: Maintainer of hamler-lang.org ysfscream: Maintainer of hamler-lang.org juan6666:Designer of Hamler language logoLicense & Credits
We would like to express our great appreciation to the PureScript team and community for all years of efforts making its amazing compiler, especially CoreFn and its incredible adaptability.
The hamler language project is licensed under BSD3, see LICENSE.
About EMQ
EMQ is an open-source software company providing highly-scalable, real-time messaging and streaming platform for IoT applications in 5G Era.
TAGS:Hamler The Language Programming
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