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struct Single(x:Int)
struct Pair(x,y:Int)
struct Mixed(x:Int, text:Text)
struct LinkedList(x:Int, next:@LinkedList?=none)
struct Password(text:Text; secret)
struct CorecursiveA(other:@CorecursiveB?)
struct CorecursiveB(other:@CorecursiveA?=none)
func test_literals()
>> Single(123)
= Single(123)
>> x := Pair(10, 20)
= Pair(x=10, y=20)
>> y := Pair(y=20, 10)
= Pair(x=10, y=20)
assert x == y
assert x != Pair(-1, -2)
func test_metamethods()
>> x := Pair(10, 20)
>> y := Pair(100, 200)
>> x == y
= no
assert x == Pair(10, 20)
assert x != Pair(10, 30)
assert x < Pair(11, 20)
>> set := |x|
>> set.has(x)
= yes
>> set.has(y)
= no
func test_mixed()
>> x := Mixed(10, "Hello")
>> y := Mixed(99, "Hello")
>> x == y
= no
assert x == Mixed(10, "Hello")
assert x != Mixed(10, "Bye")
assert x < Mixed(11, "Hello")
>> set := |x|
>> set.has(x)
= yes
>> set.has(y)
= no
func test_text()
>> b := @CorecursiveB()
>> a := @CorecursiveA(b)
>> b.other = a
>> a
# = @CorecursiveA(@CorecursiveB(@~1))
func main()
test_literals()
test_metamethods()
test_mixed()
test_text()
>> @LinkedList(10, @LinkedList(20))
>> my_pass := Password("Swordfish")
= Password("Swordfish")
>> "$my_pass"
= "Password(...)"
>> users_by_password := {my_pass="User1", Password("xxx")="User2"}
>> "$users_by_password"
= '{Password(...)="User1", Password(...)="User2"}'
>> users_by_password[my_pass]!
= "User1"
>> CorecursiveA(@CorecursiveB())
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