flix

The Flix Programming Language. A next-generation effect-oriented programming language.

[flix @flixlang]

2/2

[flix @flixlang]

1/2 The next version of Flix will feature significantly improved effect error messages:

[flix @flixlang]

https://t.co/pk0zLKP1EM

[flix @flixlang]

We have moved to Zulip, come talk to us 👇

[flix @flixlang]

2/2 As usual, the full changelog is available on GitHub:
https://t.co/8NJeMxxyEb

[flix @flixlang]

1/2 We are pleased to announce the release of Flix 0.71.0! This is a major release which brings significantly improved Java interoperability, improved pattern match compilation, and other bytecode optimizations.

[flix @flixlang]

2/2 Example (B): Flix does not have classes, but we can always implement/extend any Java interface/class using a new object expression, even generic classes. Here we implement Comparator for String:

[flix @flixlang]

1/2 There was a lot of interest in our improved Java interoperability, so here are two more examples: Example (A) Flix functions automatically implement appropriate Java functional interfaces, so can be passed as Java SAMs: Here a Flix function is passed to Stream's map:

[flix @flixlang]

@__dwr__ It infers the generic types correctly.

[flix @flixlang]

1/2 We have significantly improved Java interoperability which makes using Java from within Flix near seamless:

[flix @flixlang]

2/2 That said, we recommended that Flix programs are written using algebraic effects and handlers, and that Java interoperability is only used to implement effect handlers. Here is a simple example of this idea:

[flix @flixlang]

The new syntax is already available today!

[flix @flixlang]

After much soul searching and internal deliberations, we have decided to update the Flix syntax to give it a more timeless aesthetic. Here is the new Flix!:

[flix @flixlang]

4/4 As usual, the full changelog is available on GitHub: https://t.co/N9E5XtLbOM

[flix @flixlang]

1/4 We are pleased to announce the release of Flix 0.70.0! This is a major release which introduces a rich set of standard library effects, handlers, and middleware.

[flix @flixlang]

3/4 Fs middleware in action:

[flix @flixlang]

2/2 Here withConflictCheck detects whether files are modified between reads and writes, withBackup maintains a .bak file, and `withAtomicWrite` writes to temp file and then moves into place.

[flix @flixlang]

1/2 New filesystem effects and middleware coming in the next version:

[flix @flixlang]

The Flix VSCode extension now supports single-file, i.e. its possible to open and work on a singe file without having to work within a project.