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Diffstat (limited to 'src/common/Monad.v')
| -rw-r--r-- | src/common/Monad.v | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/common/Monad.v b/src/common/Monad.v index ece047c..b7d97a1 100644 --- a/src/common/Monad.v +++ b/src/common/Monad.v @@ -66,4 +66,7 @@ Module MonadExtra(M : Monad). | x::xs => do _ <- f x; collectlist f xs end. + Definition mfold_left {A B} (f: A -> B -> mon A) (l: list B) (s: mon A): mon A := + fold_left (fun a b => do a' <- a; f a' b) l s. + End MonadExtra. |