Method
ArrowMapDataTypeget_key_type
since: 0.17.0
Declaration [src]
GArrowDataType*
garrow_map_data_type_get_key_type (
GArrowMapDataType* map_data_type
)
Return value
Type: GArrowDataType
The key type of the map.
| The caller of the method takes ownership of the data, and is responsible for freeing it. |