1-X.Let_syntax
val return : 'a -> ('a, 'i, 'j) t
include Infix_indexed with type ('a, 'i, 'j) t := ('a, 'i, 'j) t
val (>>=) : ('a, 'i, 'j) t -> ('a -> ('a, 'i, 'j) t) -> ('a, 'i, 'j) t
val (>>|) : ('a, 'i, 'j) t -> ('a -> 'b) -> ('a, 'i, 'j) t
module Let_syntax : sig ... end