Syntax Overview

Here's what Flow-Wing looks like:

print("Hello, World!")

Flow-Wing is statically typed, case-sensitive, and whitespace-insensitive — indentation is yours to choose.

Basic Structure

/; Imports
bring io

/; Types
type Point = { x: int, y: int }

/; Functions
fun greet(name: str) -> nthg {
  print("Hello, " + name)
}

/; Entry point
fun fg_main() -> int {
  greet("World")
  return 0
}

Quick Reference

Element	Syntax
Variable	var x: int = 42
Constant	const x: int = 100
Function	fun name(p: Type) -> RetType { }
Type	type Name = { field: Type }
Class	class Name { }
If/Else	if (cond) { } or if (cond) { } else { }
While	while (cond) { }
For	for (var i = 0 to 10 : 1) { }
Switch	switch val { case v: { } default: { } }
Comment (line)	/; comment
Comment (block)	/# comment #/
Import	bring "file.fg" or bring {a, b} from mod