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[new release] links, links-postgresql, links-sqlite3 and links-mysql (0.9.6)

CHANGES:

This release extends the core features of Links and resolves various
minor bugs.

* Links now supports System F-style explicit type abstractions:
For instance, writing `/\ [a, e::Row] { foo }` abstracts the expression `foo`
over type variable `a` and row variable `e`. Here, `foo` must have a unique
type and must be pure (to satisfy the value restriction).
* Fixed a bug in "mixing" query normalisation, which prevented certain queries using
concatenation inside `for` statements from being correctly converted to SQL.
* Links now has basic support for temporal database operations. More information
can be found on the [Wiki](https://github.com/links-lang/links/wiki/Temporal-Databases).
There are new keywords: `valid`, `to`, `vt_insert`, `tt_insert`, and `TemporalTable`.
* A new commandline option `--compile` (shorthand `-c`) has been
added, which runs Links in a "compile only" mode. In this mode the
JavaScript compilation artefact can be saved to a file (the naming
of this file is controlled via the commandline option `-o`). Note
that the generated file may not be directly runnable without linking
the runtime system first. Currently, the runtime system must be
linked manually.
* Fixed a bug where calling either of `newAP`, `newClientAP`, and
`newServerAP` on the client-side would crash the client.
* It is now possible to dispatch an MVU message from outside of the
event loop. This is particularly useful, for example, when dealing
with a persistent, stateful thread which is receiving messages from
a server. New things include:
+ A new type alias `MvuHandle(msg)`.
+ A family of runners: `runHandle`, `runCmdHandle`,
`runSimpleHandle` which return an `MvuHandle(msg)` rather than the
unit value.
+ A new dispatcher `Mvu.dispatch : (msg, MvuHandle(msg)) ~> ()`,
which directly dispatches a message to the MVU loop.

* The built-in webserver now supports SSL connections. To enable
secure connections, you must first obtain an adequate certificate
and key, e.g. via Let's Encrypt or a self-signed certificate. The
latter can be useful for testing, e.g. the following command starts
an interactive process to create a self-signed certificate (that
uses 4096 bits RSA encryption and is valid for 365 days):
```shell
openssl req -x509 -newkey rsa:4096 -keyout server.key -out server.crt -days 365 -nodes
```
After obtaining a valid certificate, you must tell Links to run in SSL
mode and you must also tell it how to locate the `key` and `crt`
file. This can be done via a configuration file, e.g.

```

Daniel Hillerström fecf00c0 bcce538e

options
unified split
Changed files
+142
packages
links
links.0.9.6
opam
links-mysql
links-mysql.0.9.6
opam
links-postgresql
links-postgresql.0.9.6
opam
links-sqlite3
links-sqlite3.0.9.6
opam
+50
packages/links/links.0.9.6/opam 
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opam-version: "2.0"


     

       

       
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maintainer: "Daniel Hillerström <daniel.hillerstrom@ed.ac.uk>"


     

       

       
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authors: "The Links Team <links-dev@inf.ed.ac.uk>"


     

       

       
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synopsis: "The Links Programming Language"


     

       

       
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description: "Links is a functional programming language designed to make web programming easier."


     

       

       
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homepage: "https://github.com/links-lang/links"


     

       

       
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dev-repo: "git+https://github.com/links-lang/links.git"


     

       

       
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bug-reports: "https://github.com/links-lang/links/issues"


     

       

       
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license: "GPL-3.0-only"


     

       

       
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build: [


     

       

       
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  [ "dune" "subst" ] {dev}


     

       

       
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  [ "dune" "exec" "preinstall/preinstall.exe" "--" "-libdir" _:lib ]


     

       

       
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  [ "dune" "build" "-p" name "-j" jobs ]


     

       

       
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]


     

       

       
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depends: [


     

       

       
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  "ocaml" {>= "4.08.0"}


     

       

       
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  "dune" {>= "2.7"}


     

       

       
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  "ppx_deriving"


     

       

       
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  "ppx_deriving_yojson" {>= "3.3"}


     

       

       
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  "base64"


     

       

       
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  "linenoise"


     

       

       
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  "ANSITerminal"


     

       

       
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  "lwt" {>= "5.0.0"}


     

       

       
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  "cohttp"


     

       

       
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  "cohttp-lwt"


     

       

       
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  "cohttp-lwt-unix"


     

       

       
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  "conduit-lwt-unix"


     

       

       
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  "uri"


     

       

       
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  "tls"


     

       

       
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  "websocket"


     

       

       
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  "websocket-lwt-unix"


     

       

       
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  "safepass"


     

       

       
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  "result"


     

       

       
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  "ocamlfind"


     

       

       
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  "menhir" {>= "20210419"}


     

       

       
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  "ppx_sexp_conv"


     

       

       
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  "calendar" {>= "2.0.4"}


     

       

       
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]


     

       

       
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url {


     

       

       
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  src:


     

       

       
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    "https://github.com/links-lang/links/releases/download/0.9.6/links-0.9.6.tbz"


     

       

       
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  checksum: [


     

       

       
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    "sha256=1d573072729709287b40068971d9a0a1ed0490d24af8d8c2667f5dd174dd19c1"


     

       

       
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    "sha512=e83e785db688b05a42ff4f2c908fa9254f412609879a98db9420ae7cd7906b79a43bccd1ffaf0f6a0e214ec147d458e6870131eb9dd7c116fb30145eae8ecc21"


     

       

       
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  ]


     

       

       
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}


     

       

       
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x-commit-hash: "3e3ce088154476a219689a2868216b04281d1793"