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Diffstat (limited to 'tests')
-rw-r--r-- | tests/monads.scm | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tests/monads.scm b/tests/monads.scm index 9570c208b2..4608deec9e 100644 --- a/tests/monads.scm +++ b/tests/monads.scm @@ -48,6 +48,11 @@ (test-begin "monads") +(test-assert "monad?" + (and (every monad? %monads) + (every (compose procedure? monad-bind) %monads) + (every (compose procedure? monad-return) %monads))) + ;; The 3 "monad laws": <http://www.haskell.org/haskellwiki/Monad_laws>. (test-assert "left identity" |