Merge pull request #8150 from SimonJF/master

Add Links v.0.6

Author: samoht

packages/links/links.0.6/descr

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+Links is a functional programming language designed to make web programming
+easier.
+
+Links eases building interactive web applications with significant client- and
+server-side components.
+
+A typical, modern web program involves many "tiers": part of the program runs
+in the web browser, part runs on a web server, and part runs in back-end
+systems such as a relational database. To create such a program, the programmer
+must master a myriad of languages: the logic is written in a mixture of Java,
+Python, and Perl; the presentation in HTML; the GUI behavior in Javascript; and
+the queries are written in SQL or XQuery. There is no easy way to link these,
+for example, to be sure that an HTML form or an SQL query produces the type of
+data that the Java code expects. This problem is called the impedance
+mismatch problem.
+
+Links eases the impedance mismatch problem by providing a single language for
+all three tiers. The system generates code for each tier; for instance,
+translating some code into Javascript for the browser, some into a bytecode for
+the server, and some into SQL for the database.
+
+Links incorporates proven ideas from other programming languages:
+database-query support from Kleisli, web-interaction proposals from PLT Scheme,
+and distributed-computing support from Erlang. On top of this, it adds some new
+web-centric features of its own.

packages/links/links.0.6/opam

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+opam-version: "1.2"
+maintainer: "Jan Stolarek <jan.stolarek@ed.ac.uk>"
+authors: "The Links Team <links-dev@inf.ed.ac.uk>"
+homepage: "http://www.links-lang.org"
+bug-reports: "https://github.com/links-lang/links/issues"
+license: "GPL-2"
+dev-repo: "https://github.com/links-lang/links.git"
+available: [ ocaml-version >= "4.04" ]
+build: [make "nc"]
+install: [
+  ["cp" "links" "%{links:bin}%"]
+  ["mkdir" "-p" "%{links:lib}%"]
+  ["cp" "prelude.links" "%{links:lib}%"]
+  ["./links" "%{links:lib}%/prelude.links"]
+]
+remove: [
+  ["rm" "-f" "%{links:bin}%/links"]
+  ["rm" "-rf" "%{links:lib}%"]
+]
+depends: [
+  "ocamlfind" {build}
+  "deriving" {build}
+  "lwt"
+  "cgi"
+  "base64"
+  "cohttp"
+]
+depopts: ["mysql" "postgresql" "sqlite3"]

packages/links/links.0.6/url

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+http: "https://github.com/links-lang/links/archive/v0.6.tar.gz"
+checksum: "946128c93a53fe85cddccc43b0ed89a4"