Fantom is an open source programming language created in 2005.
| #500on PLDB | 19Years Old | 176Repos |
Fantom is a general purpose object-oriented programming language created by Brian and Andy Frank that runs on the Java Runtime Environment (JRE), JavaScript, and the .NET Common Language Runtime (CLR) (.NET support is considered "prototype" status). Its primary design goal is to provide a standard library API that abstracts away the question of whether the code will ultimately run on the JRE or CLR. Like C# and Java, Fantom uses a curly brace syntax. Read more on Wikipedia...
// Hello from Fantom!
class HelloWorld {
static Void main() {
echo("Hello World")
}
}
/*
* Author: Robert Koeninger
* License: WTFPL (http://www.wtfpl.net/)
*/
mixin Expr
{
abstract Obj? eval()
}
class Constant : Expr
{
Obj? value
new make(Obj? value) { this.value = value }
override Obj? eval() { value }
}
enum class Op
{
plus,
minus
}
class Infix : Expr
{
Op op
Expr left
Expr right
new make(Op op, Expr left, Expr right)
{
this.op = op
this.left = left
this.right = right
}
override Obj? eval()
{
switch (op)
{
case Op.plus:
return (Int)left.eval() + (Int)right.eval()
case Op.minus:
return (Int)left.eval() - (Int)right.eval()
default:
throw Err("undefined Op")
}
}
}
// Hello from Fantom!
class HelloWorld
{
static Void main()
{
echo("Hello, World!")
}
}| Feature | Supported | Example | Token |
|---|---|---|---|
| Strings | ✓ | "Hello world" | " |
| MultiLine Comments | ✓ | /* A comment */ | /* */ |
| Print() Debugging | ✓ | echo | |
| Comments | ✓ | // A comment | |
| Line Comments | ✓ | // A comment | // |
| Semantic Indentation | X |