Lisp

(defun fib (n)
  (loop repeat n
     for x = 0 then y and y = 1 then (+ x y)
     finally (return y)))

Why do people think Lisp is functional again?

Because Lisps were the first languages to have lambdas and closures. Ridiculous, I know.

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███LISP tank███████►
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>>3
Try to fail less.

>>4
Are you SUAVE?
Are you a SPACE TOAD?
Are you a SUAVE SPACE TOAD?

If you answered "Yes" to all of the above questions, then SICP (STRUCTURE AND INTERPRETATION OF COMPUTER PROGRAMS) might be exactly what you've been looking for! Read SICP today, and enjoy all the benefits of being a satorized SICP reader. SICP (STRUCTURE AND INTERPRETATION OF COMPUTER PROGRAMS) is the fastest-growing SMUG LISP WEENIE community with THOUSANDS of members all over the Internet! You, too, can be a part of SICP if you join today! Why not? It's quick and easy — only 3 simple steps!
* First, you have to obtain a copy of SICP and read it. You can read it online using your favorite web browser.
* Second, you need to succeed in founding a Lisp-related meme in /prog/ on world4chan, a popular "programming for trolls" website.
* Third, you need to join the official SICP home /prog/ on world4chan, and apply for membership.
Talk to one of the satorized overlords or any of the other members in the board to sign up today! Upon submitting your application, you will be required to submit links to your successful meme, and you will be tested on your knowledge of STRUCTURE AND INTERPRETATION OF COMPUTER PROGRAMS. If you are having trouble locating /prog/, the official STRUCTURE AND INTERPRETATION OF COMPUTER PROGRAMS board, you might be on a wrong web sight. The correct address is >>>/prog/. Follow this link if you are using a http client such as telnet. If you have Sussman points and would like to support SICP, please don't sage this post.

                     //`'''```,
           o        // LISP  `.,
     ,....OOo.   .c;.',,,.'``.,,.`
  .'      ____.,'.//
 / _____  \___/.'
| / ||  \\---\|
||  ||   \\  ||
co  co    co co

>>1
I think the reason for Lisp being strongly associated with functional programming is do its use of S expressions, if M expressions had been implemented (more conventional separation of function name to its parameters) then the "code is data" thing would never have taken off and we would have seen Lisp as a more Haskell-like language

lithp is gay and dysfunctional

>>7
●█████▄▄▄▄▄▄▄▄
▄▅███████▅▄▃▂
███LISP Tank███████►
◥☼▲⊙▲⊙▲⊙▲⊙▲⊙▲☼◤

I still get a raging when I wear my sister's black leggings.

>>6
That, or ████████████████████████████████████████████████

>>10
IHBT

I for one welcome our Lisper overlords.

>>12
If it's Lisp, it's shit.

>>13
LISP has been around for over half a century, and gets way more action than COBOL. I don't think it's as ``shit'' as you're making it out to be.

>>14
If it's Lisp, it's parenshit.

>>15
Back to /g/, please.

CL is not typically written in a very functional way. Lisp-like languages (s-expression-based) are "more functional" in the sense that the syntax lends itself more to expressions than explicitly sequenced statements, but it doesn't have to be.

>>16
fuck you faggot storm

>>18
Fuck you, Poopdicknuts-san.

>>19
that sounds really gay, just like your three dads

>>17
Now that Haskell is famous (if not popular) there are a lot of Common Lisp advocates insisting vehemently that "Lisp [sic] is not a functional language! Don't ever call it one." This fascinates me, especially because the same people were pooh-poohing Java and C++ five years ago with the usual lines about functional language superiority.

Consider this: A pack of wild Lispers.
Autistic, lisping Lispers logging on your network. Trampling your CPUs with their interpreters. Raping your RAM with Emacs.
And you can't do shit since they're autists. The Lisper leader grabs your waifu and fucks her with his wizard cap.
The primal Lispers finally dominate your network. They watch 6.001 lectures on YouTube and you are forced to read their SICP.
Such is the downfall of /prog/.

im be late nigguh  hot pockets tonight