| sfc_cast | sfc cast | 
| sfc_linestring | sfc LINESTRING | 
| sfc_multilinestring | sfc MULTILINESTRING | 
| sfc_multipoint | sfc MULTIPOINT | 
| sfc_multipolygon | sfc MULTIPOLYGON | 
| sfc_point | sfc POINT | 
| sfc_polygon | sfc POLYGON | 
| sfc_to_df | sfc to df | 
| sfg_linestring | sfg linestring | 
| sfg_multilinestring | sfg multilinestring | 
| sfg_multipoint | sfg multipoint | 
| sfg_multipolygon | sfg multipolygon | 
| sfg_point | sfg point | 
| sfg_polygon | sfg polygon | 
| sfg_to_df | sfg to df | 
| sf_bbox | sf bbox | 
| sf_boxes | sf boxes | 
| sf_cast | sf cast | 
| sf_line | Helper for sf LINESTRING | 
| sf_linestring | sf LINESTRING | 
| sf_mline | Helper for sf MULTILINESTRING | 
| sf_mpoly | Helper for sf MULTIPOLYGON | 
| sf_mpt | Helper for sf MULTIPOINT | 
| sf_multilinestring | sf MULTILINESTRING | 
| sf_multipoint | sf MULTIPOINT | 
| sf_multipolygon | sf MULTIPOLYGON | 
| sf_point | sf POINT | 
| sf_poly | Helper for sf POLYGON | 
| sf_polygon | sf POLYGON | 
| sf_pt | Helper for sf POINT | 
| sf_remove_holes | remove holes | 
| sf_to_df | sf to df |