[z (f 123)])
x)))
+(test (singletons '((A [foo] [bar Int]) (B [baz Int] [qux])))
+ '(foo qux))
+
+(test (map (lambda (x) (data-sum-tag '((A [foo] [bar Int]) (B [baz Int] [qux])) x))
+ '(foo bar baz qux))
+ '(0 1 0 1))
+
(test-exception
(expand-pattern-matches '((data A (foo Int Int))
(let ([(foo x) (foo 123 234)])
(test-types (substitute '((t1 . (abs t1 t10))) 't1) '(abs t1 t10))
(test-types (typecheck '((let ([bar (lambda (y) y)]
- [foo (lambda (x) (foo (bar #t)))])
+ [foo (lambda (x) (foo (bar true)))])
foo)))
'(abs Bool a))
(test-types (typecheck '((let ([bar (lambda (y) y)]
- [foo (lambda (x) (foo (bar #t)))])
+ [foo (lambda (x) (foo (bar true)))])
bar)))
'(abs a a))
; passing builtins about
(test-expr '((lambda (x) ((lambda (a b) (a b 3)) + x)) 3) 6)
-(test-expr '(bool->int ((lambda (x) (x #f)) !)) 1)
-(test-expr '((lambda (f) (f #t)) bool->int) 1)
+(test-expr '(bool->int ((lambda (x) (x false)) !)) 1)
+(test-expr '((lambda (f) (f true)) bool->int) 1)
(test-prog-stdout '((let () ((lambda (f) (f "foo")) print) 0)) "foo")
(test-expr '((lambda (f) (f 3 3)) (lambda (x y) (bool->int (= x y)))) 1)
(test-expr '(bool->int ((lambda (f) (! (f 2 3))) =)) 1)
(test-prog '((data Foo [a] [b] [c])
(let ([x b])
(case x
- [a b]
- [b a]
- [c x])))
+ [a 3]
+ [b 2]
+ [c 1])))
2)
+(test-prog '((data Foo [foo Int Int] [bar Bool])
+ (case (foo 42 12)
+ [(foo 20 x) 0]
+ [(foo 42 x) x]
+ [(bar x) 0]))
+ 12)
+
+(test-prog '((data Foo [foo Int])
+ (data Bar [bar Foo])
+ (case (bar (foo 42))
+ [(bar (foo x)) x]))
+ 42)
+
+
+ ; mix of singleton and non singleton constructors
+(test-prog '((data A [foo Int] [bar])
+ (case (foo 42)
+ [(foo x) x]
+ [bar 0]))
+ 42)
+
+(test-prog '((data A [foo Int] [bar])
+ (case bar
+ [(foo x) 0]
+ [bar 12]))
+ 12)
+ ; todo: make this error for incomplete pattern match
+(test-exception '((data A [foo Int] [bar Int B])
+ (data B [baz Int])
+ (let ([val (bar 42 (baz 12))])
+ (case val
+ [(foo 42) 0]
+ [(bar 32 (baz 12)) 1]
+ [(bar 42 (baz x)) x]
+ [(foo x) 2]))))
+