Method
ArrowMapDataTypeget_key_type
Declaration [src]
GArrowDataType*
garrow_map_data_type_get_key_type (
  GArrowMapDataType* map_data_type
)
      Return value
| Returns: | GArrowDataType | 
          
The key type of the map.  | 
          |
| The caller of the method takes ownership of the data, and is responsible for freeing it. |