val (let+) : ('a, 'b) Stdlib.result -> ('a -> 'c) -> ('c, 'b) Stdlib.resultval (and+) :
('a, 'b) Stdlib.result ->
('c, 'b) Stdlib.result ->
('a * 'c, 'b) Stdlib.resultval (let*) :
('a, 'b) Stdlib.result ->
('a -> ('c, 'b) Stdlib.result) ->
('c, 'b) Stdlib.resultval (and*) :
('a, 'b) Stdlib.result ->
('c, 'b) Stdlib.result ->
('a * 'c, 'b) Stdlib.resultval (>>=) :
('a, 'b) Stdlib.result ->
('a -> ('c, 'b) Stdlib.result) ->
('c, 'b) Stdlib.result