Tag: lfe

Vigdís — LFE Friday, LiffyBot reaching into a glowing key-value lattice in a Mead-style command room
tutorials

LFE Friday - maps:get/3

Reopening LFE Friday with the safe map read: maps:get/3 hands back a default instead of crashing on a missing key — plus the one eager-evaluation gotcha to know.

Duncan McGreggor · June 19, 2026

Vigdís — abstract painting with a hint of a gateway in the near-distance
languages

Bringing Types to LFE: Lessons from Haskell, the Typed Lisps, and Gleam

Why we started building a gradual type system for Lisp Flavoured Erlang — a tour through how Haskell, Go, Rust, Typed Racket, Coalton, and Typed Clojure each spell the same small idea, the ergonomic quibbles that pushed us, and the strategic moves we borrowed from Gleam.

oubiwann · June 12, 2026

Vigdís — lichen and moss on ancient stone, oil and digital
languages

Lykn: A Lisp Born from LFE

How fourteen years with Lisp Flavoured Erlang led to a new language — and how that language came home to power lfe.io.

Duncan McGreggor · June 4, 2026

Vigdís — LFE news, a busy rotating space-station newsroom
announcements

lfe.io 5.0: Rust Tooling, All the Way Down

Duncan McGreggor · April 20, 2026

Vigdís — LFE Friday, LiffyBot studying Erlang modules in a Mead-style command room
tutorials

LFE Friday - ETS selects, continuations and inserts

Robert Virding · January 31, 2016

Vigdís — LFE Friday, LiffyBot studying Erlang modules in a Mead-style command room
tutorials

LFE Friday - Using ETS select with a limit

Robert Virding · January 23, 2016

Vigdís — LFE Friday, LiffyBot studying Erlang modules in a Mead-style command room
tutorials

LFE Friday - ETS, match_specs and functions

Robert Virding · January 18, 2016

Vigdís — LFE Friday, LiffyBot studying Erlang modules in a Mead-style command room
tutorials

LFE Friday - More ETS data matching (and querying)

Robert Virding · January 10, 2016

Vigdís — LFE Friday, LiffyBot studying Erlang modules in a Mead-style command room
tutorials

LFE Friday - ETS data matching

Robert Virding · January 3, 2016

Vigdís — LFE Friday, LiffyBot studying Erlang modules in a Mead-style command room
tutorials

LFE Friday - ETS Introduction, part 5: keypos, read_concurrency and write_concurrency

Robert Virding · December 25, 2015

Vigdís — LFE Friday, LiffyBot studying Erlang modules in a Mead-style command room
tutorials

LFE Friday - ETS Introduction, part 4: ETS Access Protections

Robert Virding · December 22, 2015

Vigdís — LFE Friday, LiffyBot studying Erlang modules in a Mead-style command room
tutorials

LFE Friday - ETS Introduction, part 3: ETS Table Types

Robert Virding · December 12, 2015

Vigdís — LFE Friday, LiffyBot studying Erlang modules in a Mead-style command room
tutorials

LFE Friday - ETS Introduction, part 2

Robert Virding · December 5, 2015

Vigdís — LFE Friday, LiffyBot studying Erlang modules in a Mead-style command room
tutorials

LFE Friday - ETS Introduction, part 1

Robert Virding · November 28, 2015

Vigdís — LFE Friday, LiffyBot studying Erlang modules in a Mead-style command room
tutorials

LFE Friday - digraph:del_path/3

Robert Virding · November 27, 2015

Vigdís — LFE Friday, LiffyBot studying Erlang modules in a Mead-style command room
tutorials

LFE Friday - digraph:get_cycle/2

Robert Virding · November 16, 2015

Vigdís — LFE Friday, LiffyBot studying Erlang modules in a Mead-style command room
tutorials

LFE Friday - digraph:in_neighbors/2

Robert Virding · November 13, 2015

Vigdís — LFE Friday, LiffyBot studying Erlang modules in a Mead-style command room
tutorials

LFE Friday - digraph:get_path/3

Robert Virding · November 7, 2015

Vigdís — LFE Friday, LiffyBot studying Erlang modules in a Mead-style command room
tutorials

LFE Friday - digraph:add_edge/4

Robert Virding · October 23, 2015

Vigdís — LFE Friday, LiffyBot studying Erlang modules in a Mead-style command room
tutorials

LFE Friday - digraph:add_vertex/1

Robert Virding · October 20, 2015