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Require Import ExtLib.Structures.Monad.
Generalizable All Variables.
Module NotationExample.
Import MonadNotation.
Open Scope monad_scope.
Fixpoint repeatM `{Monad M} (n : nat) `(x : A) (p : A -> M A) : M unit :=
match n with
| O => ret tt
| S n => y <- p x;;
repeatM n y p
end.
End NotationExample.
Module LetNotationExample.
Import MonadLetNotation.
Open Scope monad_scope.
Fixpoint repeatM `{Monad M} (n : nat) `(x : A) (p : A -> M A) : M unit :=
match n with
| O => ret tt
| S n => let* y := p x in
repeatM n y p
end.
End LetNotationExample.
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