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A Rubyist walks into an Erlang

Name: Anonymous 2013-06-10 17:13

http://erlang.org/pipermail/erlang-questions/2011-July/060103.html
Follow the thread with "next message" to learn of a man's drive to make Erlang RUBY ELEGANT.

and then the aftermath:
http://erlang.org/pipermail/erlang-questions/2011-July/060229.html

Name: Anonymous 2013-06-10 17:59

``Syntactic sugar'' is shit for retards.

Name: Anonymous 2013-06-10 22:48

``Sugary shit'' is syntax for retards.

Name: Anonymous 2013-06-11 0:20

(bon)Erlang is a fun language, but if you want to get something done, you should just use Ruby (and Rails if doing webshit).

Name: Anonymous 2013-06-11 0:30

Thanks for reminding me why I hate Ruby.

Name: Anonymous 2013-06-11 0:52

Erlang:
lists:map(fun(N) ->
        N * 2
    end, [1,2,3,4,5]).

Ruby:
[1,2,3,4,5].map do |n|
        n * 2
    end

Python:
[n * 2 for n in [1, 2, 3, 4, 5]]

Name: Anonymous 2013-06-11 1:17

>>6
Erlang:
[2*N || N <- [1,2,3,4,5]].

Name: Anonymous 2013-06-11 1:27

K:
{2*x}'!6

Name: Anonymous 2013-06-11 1:27

K:
{2*x}'!6

Name: Anonymous 2013-06-11 1:58

Well, my apologies, but I'm having a bit of trouble wrapping my brain around the lack of aesthetic sense here. So forgive me for overreacting.
God! Why can't everybody as AESTHETICALLY SENSITIVE as me! I write BEAUTIFUL frontend WEB APPS with TWITTER BOOTSTRAP and RUBY ON RAILS on HEROKU with my MACBOOK for Jobs sake! Am I the only one with any
TASTE?!

Name: Anonymous 2013-06-11 2:17

>>10
write
What a vulgar word.  I don't write, I compose beautiful symphonies of elegant abstraction.  Writing is for people who soulessly peck away in C and FORTRAN for The Man.  Each work of art I create is a poem to Nature herself, who reveals her mysteries to us through jQuery, Rails, and Node.js.  Hold on, let me Tweet through my iPhone on my todolist.io page.

Name: Anonymous 2013-06-11 11:38

>>11
Fucking kill yourself.

Name: Anonymous 2013-06-11 11:55

>>12
Fucking learn to appreciate sarcasm.

Name: Anonymous 2013-06-11 12:00

>>11
Can I follow you on Forrst?

Name: Anonymous 2013-06-11 12:29

>>6
How G-d would write it:
(map (lambda (n) (* 2 n)) '(1 2 3 4 5))

Name: Anonymous 2013-06-11 12:37

>>15
Hnnng, dat homoiconicity.

Name: Anonymous 2013-06-11 15:59

Symta:  [1 2 3 4 5] map: N => N * 2
Ruby:   [1,2,3,4,5].map do |n| n * 2 end
Python: [n * 2 for n in [1, 2, 3, 4, 5]]
Lisp:   (map (lambda (n) (* n 2)) '(1 2 3 4 5))
Erlang: lists:map(fun(N) -> N * 2 end, [1,2,3,4,5]).
C#:     (new List<int>() {1, 2, 3, 4, 5}).ConvertAll(n => n * 2);

Name: Anonymous 2013-06-11 16:05

>>8
Symta: X 2*?
K:     {2*x}'!6

Name: Anonymous 2013-06-11 16:07

>>17
Perl: map { $_ * 2 } qw(1 2 3 4 5)

Name: Anonymous 2013-06-11 16:09

>>19
No. You dont.
Symta:  [1 2 3 4 5]{? * 2}
Perl:   map { $_ * 2 } qw(1 2 3 4 5)

Name: Anonymous 2013-06-11 16:17

>>19
Perl version would look like:
Perl:   map (sub {my ( $x ) = @_;  $x * 2 }) qw(1 2 3 4 5)

Because Perl functions have no argument lists, so binding requires explicit pattern-matching.

Name: Anonymous 2013-06-11 16:19

>>21
Calling Perl's lambda looks even uglier:
perl -e 'print ((sub {my ( $x ) = @_;  $x * 2 })->(123))'

Name: Anonymous 2013-06-11 16:19

>>20
Perl:  map{$_*2}1..5
Symta: [1 2 3 4 5]{? * 2}

Name: Anonymous 2013-06-11 16:20

>>22
And there are no macros to abstract away the horror.

Name: Anonymous 2013-06-11 16:22

>>23
Symta: (1 to 5) ?*2
Perl:  map{$_*2}1..5

told'ya.

Name: Anonymous 2013-06-11 16:22

D :


[1, 2, 3, 4, 5].map!(a => a * a)

Name: Anonymous 2013-06-11 16:25

Haskell: map (*2) [1, 2, 3, 4, 5]
Symta:   [1 2 3 4 5] map: N => N * 2

Name: Anonymous 2013-06-11 16:26

>>27
Symta:   [1 2 3 4 5] map ?*2
Haskell: map (*2) [1, 2, 3, 4, 5]

Name: Anonymous 2013-06-11 16:27

Perl6: (1..5).map(* *2)

Name: Anonymous 2013-06-11 16:27

>>26
a * a
your code is broken.

Name: Anonymous 2013-06-11 16:28

>>29
Perl6
(* *2)
I'll take APL or K any day!

Name: Anonymous 2013-06-11 16:33

>>25
Golden changes symta in real time.

Name: Anonymous 2013-06-11 16:43

In the end, only lisp is truly beautiful.

Name: Anonymous 2013-06-11 17:51

>>33
if with lisp you mean scheme you are right

Name: Anonymous 2013-06-11 18:07

>>34
Of course.

Name: Anonymous 2013-06-11 19:06

>>31
(1..5)
Range from 1 to 5
map(* *2)
"whatever" times 2

I also hate that * means more than one thing

I would have written it like this 2 Z* (1..5)

Name: Anonymous 2013-06-14 16:33

in this ITT thread we found that fangled anal toys for retards PYSTHON and HACHKELL suck in old mega-languages for all times C and Perl all times
---
best variant in PYSTHON: http://ideone.com/udDJ9 (imperative diarrhea)
two variants in HACHKELL:
1. fucking fucked in all senses and imperative shit: http://ideone.com/M42su (suck C)
2. declarative fuck http://ideone.com/0e3qE (suck in declarative fuck in perl)
---
for comparison:
perl: http://ideone.com/i0ob4 http://ideone.com/olq5B
C: http://ideone.com/ap43H
LUA: http://ideone.com/DVdhr http://ideone.com/Xkj4D
---
http://ideone.com/6cZYq lisp suck as expected, and probably not the right option
(some lousy options with 33-fold nesting brackets were faster but such garbage nobody wants when there is a simple solution in C)
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