Module Caqti_template.Row_multSource
Row multiplicity.
Sourcetype +'m t constraint 'm = [< `Zero | `One | `Many ] Sourcetype zero_or_one = [ | `Zero| `One
] Sourcetype zero_or_more = [ | `Zero| `One| `Many
] Sourceval zero_or_one : [> `Zero | `One ] t Sourceval zero_or_more : [> `Zero | `One | `Many ] t Sourceval only_zero : [< `Zero ] t -> unit Sourceval only_one : [< `One ] t -> unit Sourceval only_zero_or_one : [< `Zero | `One ] t -> unit Sourceval expose : 'm t -> [ `Zero | `One | `Zero_or_one | `Zero_or_more ] Sourceval can_be_zero : 'm t -> bool Sourceval can_be_many : 'm t -> bool