Idris2/tests/idris2/operators/operators001/Test.idr
André Videla a7a25914b7 Allow binding operators on LHS
When a binding operator is found on the LHS, we don't check
if the first argument is a binder.
2024-02-24 12:28:10 +00:00

80 lines
1.5 KiB
Idris

module Test
import Data.Vect
typebind infixr 0 =@
infixr 0 -@
typebind infix 1 =@@
0 (=@) : (a : Type) -> (a -> Type) -> Type
(=@) a f = (1 x : a) -> f x
0 (=@@) : (a : Type) -> (a -> Type) -> Type
(=@@) a f = (1 x : a) -> f x
(-@) : (a, b : Type) -> Type
(-@) a b = (1 _ : a) -> b
data S : {ty : Type} -> (x : ty) -> Type where
MkS : (x : ty) =@ S x
Mk2 : (x : ty) =@ (y : ty) =@ S (x, y)
Mk3 : (x : ty) =@ ty -@ S x
Mk4 : ty -@ (x : ty) =@ S x
map : (x : a) =@@ b -@ (y : List a) =@ List b
map2 : ((x : a) =@ b) -@ (y : List a) =@ List b
map3 : (x : a) =@ b -@ (y : List a) =@ List b
map4 : (x : a) =@ (b -@ (y : List a) =@ List b)
test : Test.map === Test.map2
failing
test2 : Test.map === Test.map3
test3 : Test.map3 === Test.map4
typebind infixr 0 *>
-- (*>) : (ty : Type) -> (ty -> Type) -> Type
-- (*>) = DPair
--
-- testCompose : (x : Nat) *> (y : Nat) *> Vect (n + m) String
-- testCompose = (1 ** 2 ** ["hello", "world", "!"])
autobind infixr 7 `MyLet`
MyLet : (val) -> (val -> rest) -> rest
MyLet arg fn = fn arg
program : Nat
program = (n := 3) `MyLet` 2 + n
program2 : Nat
program2 = (n : Nat := 3) `MyLet` 2 + n
typebind infixr 6 |>
record Container where
constructor (|>)
shape : Type
position : shape -> Type
typebind infixr 7 @@
record (@@) (x : Type) (y : x -> Type) where
constructor PairUp
fst : x
snd : y fst
compose : Container -> Container -> Container
compose (a |> a') (b |> b') =
(x : (y : a) @@ a' y -> b) |>
(y : a' x.fst) @@
b' (x.snd y)