Erlang is a general-purpose programming language and runtime environment. It has built-in support for concurrency, distribution and fault tolerance. Erlang is used in several large telecommunication systems from Ericsson. Erlang is open source and available for download on GitHub.
0
votes
1answer
65 views
Why this code kills my system?
Why this code kills my system?
-module(slow2).
-export([slow2/0]).
slow2() ->
io:format("~p\n", [perms(lists:seq(0, 9))]).
perms([]) -> [[]];
perms(L) -> [[H|T] || H <- L, T <- ...
1
vote
2answers
73 views
Why this Erlang code works about one minute on my machine?
Why this Erlang code works about one minute on my machine?
On Pascal something likes this tooks less then second on my machine.
What I can do to speed up it?
-module(slow).
-export([slow/0]).
...
0
votes
1answer
27 views
Feedback on Erlang Lists processing function
I have just started learning erlang...I am just practicing the recursion and all in erlang...I tried to write a few of the list processing functions on my own in erlang...Can someone review the code ...
1
vote
1answer
69 views
List-flattening function in erlang feels too wordy
I wrote a tail-recursive list-flattening function, but I'm not too happy with it.
a) Is tail-recursion necessary here, or will the function be optimized without it?
b) It's ugly how many clauses ...
3
votes
3answers
102 views
Erlang arithmetic progression to 7561
hi im new to erlang and this is my first code in that. it took me 3 days to write. as erlang has no loop statement, only way i could think of doing this is as follows:
-module(verschickten).
...
1
vote
0answers
123 views
Erlang FFI into ImageMagick
Your eyes. I need them.
...assuming you can read either Erlang or C, and preferably both.
This is a short program meant to give me an Erlang hook into the ImageMagick FFI for performance reasons.
...
1
vote
1answer
139 views
Erlang code that generates text output
I have recently made a small program to generate D&D (original edition) monster stat blocks in text form. I use this program myself to generate stats block so that I can then copy and paste them ...
5
votes
2answers
217 views
Beginner Erlang - Take a number and return English language representation
Like many, I started out with procedural programming. Of course, when learning a functional language, old habits may die hard, so I wrote a fairly trivial little thing which takes an integer and ...
6
votes
2answers
217 views
Erlang concurrency in circles
I am new to erlang (2 days to be honest) and I would highly appreciate some peer review. I am doing these exercises and was a bit stuck at this point:
2) Write a function which starts N processes ...
4
votes
2answers
561 views
Newbie Map/Reduce word frequency counter
I present you my first ever module to learn some Erlang awaiting your scrutiny . It does a word frequency count using map/reduce . I'm an Erlang noob, so I would very much like feedback about:
...
4
votes
2answers
408 views
Erlang code to list all IP addresses
This is some Erlang code I wrote to output a string of all the IP addresses of the machine. The string is simply printed to the user for him to read.
-module(ip).
-export([get_ip_address_string/0]).
...
