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C

5.2K
3.6K
+ 1
230
OCaml

125
109
+ 1
21
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C vs OCaml: What are the differences?

What is C? One of the most widely used programming languages of all time. .

What is OCaml? A general purpose industrial-strength programming language. It is an industrial strength programming language supporting functional, imperative and object-oriented styles. It is the technology of choice in companies where a single mistake can cost millions and speed matters, .

C and OCaml belong to "Languages" category of the tech stack.

Twitch, AdRoll, and Blackfire.io are some of the popular companies that use C, whereas OCaml is used by Hammer Lab, NG Informática, and Maersk Digital. C has a broader approval, being mentioned in 89 company stacks & 1455 developers stacks; compared to OCaml, which is listed in 6 company stacks and 6 developer stacks.

Decisions about C and OCaml
Russtopia Labs
Sr. Doodad Imagineer at Russtopia Labs · | 0 upvote · 60.6K views
Chose
Go
over
C++
C

As a personal research project I wanted to add post-quantum crypto KEM (key encapsulation) algorithms and new symmetric crypto session algorithms to openssh. I found the openssh code and its channel/context management extremely complex.

Concurrently, I was learning Go. It occurred to me that Go's excellent standard library, including crypto libraries, plus its much safer memory model and string/buffer handling would be better suited to a secure remote shell solution. So I started from scratch, writing a clean-room Go-based solution, without regard for ssh compatibility. Interactive and token-based login, secure copy and tunnels.

Of course, it needs a proper security audit for side channel attacks, protocol vulnerabilities and so on -- but I was impressed by how much simpler a client-server application with crypto and complex terminal handling was in Go.

$ sloc openssh-portable 
  Languages  Files    Code  Comment  Blank   Total  CodeLns
      Total    502  112982    14327  15705  143014   100.0%
          C    389  105938    13349  14416  133703    93.5%
      Shell     92    6118      937   1129    8184     5.7%
       Make     16     468       37    131     636     0.4%
        AWK      1     363        0      7     370     0.3%
        C++      3      79        4     18     101     0.1%
       Conf      1      16        0      4      20     0.0%
$ sloc xs
  Languages  Files  Code  Comment  Blank  Total  CodeLns
      Total     34  3658     1231    655   5544   100.0%
         Go     19  3230     1199    507   4936    89.0%
   Markdown      2   181        0     76    257     4.6%
       Make      7   148        4     50    202     3.6%
       YAML      1    39        0      5     44     0.8%
       Text      1    30        0      7     37     0.7%
     Modula      1    16        0      2     18     0.3%
      Shell      3    14       28      8     50     0.9%

https://gogs.blitter.com/RLabs/xs

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Pros of C
Pros of OCaml
  • 64
    Performance
  • 45
    Low-level
  • 33
    Portability
  • 28
    Hardware level
  • 18
    Embedded apps
  • 12
    Pure
  • 9
    Performance of assembler
  • 7
    Ubiquity
  • 4
    Great for embedded
  • 4
    Old
  • 2
    OpenMP
  • 2
    No garbage collection to slow it down
  • 2
    Compiles quickly
  • 5
    Satisfying to write
  • 4
    Pattern matching
  • 3
    Also has OOP
  • 3
    Easy syntax
  • 3
    Very practical
  • 3
    Extremely powerful type inference

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Cons of C
Cons of OCaml
  • 5
    Low-level
  • 3
    No built in support for concurrency
  • 2
    Lack of type safety
  • 2
    No built in support for parallelism (e.g. map-reduce)
  • 3
    Small community
  • 1
    Royal pain in the neck to compile large programs

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What is C?

What is OCaml?

It is an industrial strength programming language supporting functional, imperative and object-oriented styles. It is the technology of choice in companies where a single mistake can cost millions and speed matters,

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What companies use C?
What companies use OCaml?
See which teams inside your own company are using C or OCaml.
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What tools integrate with C?
What tools integrate with OCaml?

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What are some alternatives to C and OCaml?
Java
Java is a programming language and computing platform first released by Sun Microsystems in 1995. There are lots of applications and websites that will not work unless you have Java installed, and more are created every day. Java is fast, secure, and reliable. From laptops to datacenters, game consoles to scientific supercomputers, cell phones to the Internet, Java is everywhere!
Python
Python is a general purpose programming language created by Guido Van Rossum. Python is most praised for its elegant syntax and readable code, if you are just beginning your programming career python suits you best.
C#
C# (pronounced "See Sharp") is a simple, modern, object-oriented, and type-safe programming language. C# has its roots in the C family of languages and will be immediately familiar to C, C++, Java, and JavaScript programmers.
Objective-C
Objective-C is a superset of the C programming language and provides object-oriented capabilities and a dynamic runtime. Objective-C inherits the syntax, primitive types, and flow control statements of C and adds syntax for defining classes and methods. It also adds language-level support for object graph management and object literals while providing dynamic typing and binding, deferring many responsibilities until runtime.
Rust
Rust is a systems programming language that combines strong compile-time correctness guarantees with fast performance. It improves upon the ideas of other systems languages like C++ by providing guaranteed memory safety (no crashes, no data races) and complete control over the lifecycle of memory.
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