Chapel - Programming language

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Chapel is an open source programming language created in 2004 by David Callahan and Hans Zima and Brad Chamberlain and John Plevyak.

#66on PLDB

20Years Old

212Repos

Download source code:

git clone https://github.com/chapel-lang/chapel

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Chapel, the Cascade High Productivity Language, is a parallel programming language developed by Cray. It is being developed as part of the Cray Cascade project, a participant in DARPA's High Productivity Computing Systems (HPCS) program, which had the goal of increasing supercomputer productivity by the year 2010. It is being developed as an open source project, under version 2 of the Apache license.. Read more on Wikipedia...

Tags: programming language, arrayLang
Chapel is developed on GitHub and has 1,758 stars
There are at least 212 Chapel repos on GitHub
Early development of Chapel happened in Cray
Chapel is written in Chapel, C++, C, reStructuredText, Assembly language, Python, Bash, CMake, Bourne shell, Make, HTML, M4, XML, TOML, Markdown, Perl, JSON, Tex, C shell, OCaml, YAML, Pascal, JavaScript, CSS, SVG, Vim script, C#, Dockerfile, Diff, Lisp, LLVM IR, Protocol Buffers, Ini, Fortran 90, Objective-C, FORTRAN 77, DTD, Lex, Bazel, Ruby, Jupyter Notebook, CUDA, PHP, TypeScript, Rust, CSV, Yacc, D, Haskell, Nix, Cython, Go, Java, awk, XSLT, Julia, sed
The Google BigQuery Public Dataset GitHub snapshot shows 50 users using Chapel in 55 repos on GitHub
There are 12,989 members in the Chapel subreddit
There are 11 Project Euler users using Chapel
Explore Chapel snippets on Rosetta Code
Chapel on HOPL
Pygments supports syntax highlighting for Chapel
GitHub supports syntax highlighting for Chapel
Events page for Chapel
Indeed.com has 1 matches for "chapel developer".
chapel-lang.org was registered in 2014
See also: (9 related languages) Ada, C#, C, Fortran, Java, Fortress, UPC, X10, ISBN
Read more about Chapel on the web: 1.
3 PLDB concepts link to Chapel: Chapel, cloc, Pygments

Example from hello-world:

writeln("Hello World");

Example from Linguist:

writeln("Hello, world!");    // print 'Hello, world!' to the console

Chapel Keywords

_ align atomic begin break by class cobegin coforall config const continue delete dmapped do domain else enum export extern for forall if in index inline inout iter label let local module new nil on otherwise out param proc record reduce ref return scan select serial single sparse subdomain sync then type union use var when where while yield zip

Language features

Feature	Supported	Example	Token
Binary Literals	✓	// 0[bB][01]+
Integers	✓	// [0-9]+
Floats	✓	// (\d*\.\d+)([eE][+-]?[0-9]+)?i?
Hexadecimals	✓	// 0[xX][0-9a-fA-F]+
Octals	✓	// 0[oO][0-7]+
Conditionals	✓
Constants	✓
Classes	✓
While Loops	✓
Strings	✓	"Hello world"	"
MultiLine Comments	✓	/* A comment */	/* */
Print() Debugging	✓		writeln
Line Comments	✓	// A comment	//
Comments	✓
Case Insensitive Identifiers	X
Semantic Indentation	X