mirror of
https://github.com/idris-lang/Idris2.git
synced 2024-12-20 18:21:47 +03:00
47 lines
1.2 KiB
Idris
47 lines
1.2 KiB
Idris
-- insert Delay
|
|
f1 : Lazy (Unit -> Unit)
|
|
f1 = \x => x
|
|
|
|
f2 : Lazy (Unit -> Unit)
|
|
f2 = Delay (\x => x)
|
|
|
|
-- can't define lazy functions by pattern matching
|
|
failing "Defining lazy functions via pattern matching is not yet supported."
|
|
f3 : Unit -> Lazy (Unit -> Unit)
|
|
f3 x y = y
|
|
|
|
failing "Defining lazy functions via pattern matching is not yet supported."
|
|
f4 : Lazy (Unit -> Unit)
|
|
f4 x = x
|
|
|
|
-- first argument has to be explicit
|
|
failing "Implicit lazy functions are not yet supported."
|
|
f5 : Lazy ({u : Unit} -> Unit)
|
|
f5 = Delay ()
|
|
|
|
f6 : Lazy ((u1 : Unit) -> {u2 : Unit} -> Unit)
|
|
f6 = Delay (\u1 => u1)
|
|
|
|
-- still works: delayed arguments
|
|
f7 : Unit -> Lazy (Unit -> Unit) -> Unit
|
|
f7 u g = g u
|
|
|
|
-- still works: forced forced arguments
|
|
f8 : (f : Lazy (Unit -> Unit)) -> (g : Unit -> Unit) -> f === g -> Unit
|
|
f8 .(g) g Refl = g ()
|
|
|
|
f9 : (f : Lazy (Unit -> Unit)) -> (g : Unit -> Unit) -> f === g -> Unit
|
|
f9 f .(f) Refl = f ()
|
|
|
|
f10 : (f : Lazy (Unit -> Unit)) -> (g : Unit -> Unit) -> f === g -> Unit
|
|
f10 f .(Force f) Refl = f ()
|
|
|
|
-- work-around for issue 2936
|
|
switch : Bool -> Lazy (Nat -> Nat)
|
|
switch True = \k => k
|
|
switch False = \k => 0
|
|
|
|
switch3 : Bool -> (Nat, Nat, Nat) -> (Nat, Nat, Nat)
|
|
switch3 b = let f = switch b
|
|
in \(x,y,z) => (f x, f y, f z)
|