diff options
Diffstat (limited to 'lib/basis.urs')
| -rw-r--r-- | lib/basis.urs | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/lib/basis.urs b/lib/basis.urs index eb2a6d29..25923870 100644 --- a/lib/basis.urs +++ b/lib/basis.urs @@ -69,15 +69,22 @@ val read_bool : read bool val read_time : read time -(** * Transactions *) +(** * Monads *) + +class monad :: Type -> Type +val return : m ::: (Type -> Type) -> t ::: Type + -> monad m + -> t -> m t +val bind : m ::: (Type -> Type) -> t1 ::: Type -> t2 ::: Type + -> monad m + -> m t1 -> (t1 -> m t2) + -> m t2 + +(** ** Transactions *) con transaction :: Type -> Type +val transaction_monad : monad transaction -val return : t ::: Type - -> t -> transaction t -val bind : t1 ::: Type -> t2 ::: Type - -> transaction t1 -> (t1 -> transaction t2) - -> transaction t2 (** HTTP operations *) |