Guardian_backend.PoolsSourceval get_or_raise :
?log_level:Logs.level ->
?msg_prefix:string ->
unit ->
('a, [< Caqti_error.t ]) result ->
'aval map_or_raise :
?log_level:Logs.level ->
?msg_prefix:string ->
('a -> 'b) ->
('a, [< Caqti_error.t ]) CCResult.t ->
'b