When comparing OCaml vs Gambas, the Slant community recommends Gambas for most people. In the question“What are the best languages to write a desktop Linux application in?” Gambas is ranked 1st while OCaml is ranked 9th. The most important reason people chose Gambas is:
You can't find such a level of easy GUI development in any other language on the Linux platform.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Actively-developed functional programming language at the forefront of research
Functional programming is based on the lambda calculus. OCaml is in its functional parts almost pure lambda calculus, in a very practical manner: useful for many daily programming tasks. The acitve development makes improvements to the type system like generalized algebraic data types (GADT) or polymorphic variants, so when learning this language you get at once a down to earth usable compiler and advanced abstraction features.
Pro Encourages functional style
It steers you towards a functional style, but doesn't bother you with purity and "monads everywhere" like other languages, such as Haskell.
Pro No windows!
Strong focus on *nix systems, lacking native support for MS Windows
Lacks native support for Windows systems.
Pro Sophisticated and easy-to-use package manager
OPAM is a package manager for OCaml, which is really easy to use, just like npm. It creates a .opam folder in home directory.
The documentation is great as well, and you can switch between multiple versions of OCaml for each project. You can also package your project and publish it on OPAM repositories, even if the dependencies do not exists on OPAM.
Pro One of the best for writing compilers
OCaml is compiled to native binary, so it's amazingly fast. Being a member of ML-family languages, it has expressive syntax for trees, and has great LLVM support.
Pro Stable syntax
The syntax is consistent, some syntaxic sugar but at a reasonable level, so reading code of others isn't too much confusing.
Pro Strong editor integration
The merlin
editor tool provides all you need to develop OCaml in your favourite editor.
Pro Complete IDE for GUI development
You can't find such a level of easy GUI development in any other language on the Linux platform.
Pro Constantly updated
New features and bug fixes along with performance enhancements.
Pro Easy to get started for someone familiar with VB on Windows
Pro Complete application development suite
Supports GTK and QT along with web. Built in Form building with JIT speed. If you are developing an application targeting Linux only give this a look.
Pro Fast to write apps
Pro Git integration
Integration with GIT in IDE and easy to distribute apps as source package with export as .tar.gz.
Pro Enhanced with a new test suite
Pro Runs on Windows 10 WSL2 environment, reported successful compilation on MacOS
Cons
Con Strong focus on *nix systems, lacking native support for MS Windows
Lacks native support for Windows systems.
Con Not cross platform
Con The documentation is not the best
Con May have trouble interfacing to C code structs
Managed struct objects in Gambas makes it harder to use with C code structs.
Con Difficult to satisfy runtime requirements
Runtime requirements to run applications written in Gambas are not always easy to satisfy (that is, without installing the whole development environment).
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