Fable is a programming language created in 2012.
| #1657on PLDB | 12Years Old |
Fable is a compiler that brings F# into the JavaScript ecosystem
type Face =
| Ace | King | Queen | Jack
| Number of int
type Color =
| Spades | Hearts | Diamonds | Clubs
type Card =
| Face * Color
let aceOfHearts = Ace, Hearts
let tenOfSpades = (Number 10), Spades
match card with
| Ace, Hearts -> printfn "Ace Of Hearts!"
| _, Hearts -> printfn "A lovely heart"
| (Number 10), Spades -> printfn "10 of Spades"
| _, (Diamonds|Clubs) -> printfn "Diamonds or clubs"
// Warning:
// Incomplete pattern matches on this expression.
// For example, the value '(_,Spades)' may indicate
// a case not covered by the pattern(s).| Feature | Supported | Example | Token |
|---|---|---|---|
| Print() Debugging | ✓ | printfn | |
| Comments | ✓ | // A comment | |
| Line Comments | ✓ | // A comment | // |
| Semantic Indentation | X |