ref: 84e2dbc90b4224be255381c8cd60fdda32a63377
dir: /lib/std/try.myr/
use "result.use"
use "option.use"
use "fmt.use"
pkg std =
generic try : (v : result(@a, @b) -> @a)
generic tryv : (v : result(@a, @b), d : @a -> @a)
generic get : (v : option(@a) -> @a)
generic getv : (v : option(@a), d : @a -> @a)
;;
generic try = {v
match v
| `Ok x: -> x
| `Fail m: fatal("error: {}\n", m)
;;
}
generic tryv = {v, d
match v
| `Ok x: -> x
| `Fail m: -> d
;;
}
generic get = {v
match v
| `Some x: -> x
| `None: fatal("error: option had `None\n")
;;
}
generic getv = {v, d
match v
| `Some x: -> x
| `None: -> d
;;
}