Today we are about to discuss one of the Programming Language Elm. Elm Programming Language was developed in 2012 by Evan Caplicki, with the vision of ‘Rethinking web development’. So, without any further ado, let’s take a look at the basics of what exactly Elm is, understand its basics, and what makes it the best functional Programming language on your browser for front end development.
What Is Elm?
Features Of Elm Programming Language:
Modelled upon the mature functional programming concepts, Elm is a Functional Programming Language. The newer versions of Java too allow for functional programming, however they are not purely functional and have various language constructs. Elm on the other hand is Purely Functional. It gives same outputs for same inputs, and there are no state, no side effects. Here, everything – the union type value, record the name, the operators, etc. –is a function. Thus, the user has no choice but to think in a purely functional way.
Elm is a strongly typed Programming Language. Even though Java supports generics, they were added later. Thus, its types are not generic. On the other hand Elm’s types are generic if not specified otherwise. Just like Huskell and other languages, elm uses static typing and thus its complier is able to help us create correct code. Also, it’s complies never allows operations on wrong types, so, the user should to add declarations of the types on separate lines.
Elm does not allow for mutation. This is because it has only constants; which enables Elm to render HTML rather quickly. Also, Elm, similar to React, makes use of Virtual DOM and Doffing. In doffing, the current and the new Virtual DOMs are considered for differences. Thus, the Virtual DOM enables fast update in the elements which require change, and doesn’t fore re-rendering of the complete page, making Elm faster. It’s found out that Speed wise Elm beats Angular, Ember, as well as React Programming Languages.
Elm Programming Language is highly reliable as it does not produce one time exceptions and practices. Thus there are fewer bugs in production and there are no errors occurring during code execution after the compilation. Not only that, its type system is also very safe with no null values, no runtime errors, and control statements which deal with all possibilities.