examples/passing/RowConstructors.purs · rowtype-yoga/purescript-native

git.iko.soy/rowtype-yoga/purescript-native

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1module Main where

3import Prelude

5type Foo = (x :: Number | (y :: Number | (z :: Number)))

6type Bar = (x :: Number, y :: Number, z :: Number)

7type Baz = { w :: Number | Bar }

9foo :: { | Foo }

10foo = { x: 0.0, y: 0.0, z: 0.0 }

12bar :: { | Bar }

13bar = { x: 0.0, y: 0.0, z: 0.0 }

15id' :: Object Foo -> Object Bar

16id' = id

18foo' :: { | Foo }

19foo' = id' foo

21bar' :: { | Bar }

22bar' = id' bar

24baz :: Baz

25baz = { x: 0.0, y: 0.0, z: 0.0, w: 0.0 }

27type Quux r = (q :: Number | r)

28type Norf r = (q' :: Number | Quux r)

30quux :: { f :: { | Foo } | Quux Bar }

31quux = { f: foo', x: 0.0, y: 0.0, z: 0.0, q: 0.0 }

33quux' :: { | Norf Bar }

34quux' = { x: 0.0, y: 0.0, z: 0.0, q: 0.0, q': 0.0 }

36wildcard :: { w :: Number | _ } -> Baz

37wildcard { w: w } = { x: w, y: w, z: w, w: w }

39wildcard' :: { | Quux _ } -> Number

40wildcard' { q: q } = q

42main = Control.Monad.Eff.Console.log "Done"