Cobol_ir.Data_builderval add_field :
storage:Cobol_data.Types.data_storage ->
vm:('a, 'b, 'c) Types.value_manager ->
record:'b Types.record_handle ->
field:Cobol_data.Types.field_definition Cobol_common.Srcloc.TYPES.with_loc ->
('a Types.fields_data * Types.error Cobol_ir.Types.NEL.t option) ->
'a Types.fields_data * Types.error Cobol_ir.Types.NEL.t optionval create_fields_map :
vm:('a, 'b, 'c) Types.value_manager ->
Cobol_unit.Types.data_definitions ->
('a Types.fields_data, Types.error Cobol_ir.Types.NEL.t) Stdlib.result