Just me writing "hello, world!" in as many languages as I can.
The rules are:
- create a function that accepts a variable
- default that variable to "world", if not provided
- display "hello " + variable + "!"
- c#
- c++
- clojure
- css
- coffeescript
- dart
- elixir
- elm
- erlang
- fortran
- go
- html
- java
- javascript
- kotlin
- lua
- php
- python
- r
- ruby
- rust
- shell
- swift
- typescript