Reference

All functions
cities	Point layer of the three largest cities in Israel
line	Sample network dataset: lines
pnt	Sample network dataset: points
st_azimuth()	Calculate the azimuth between pairs of points
st_connect()	Create lines between features of two layers
st_ellipse()	Calculate ellipse polygon
st_nn()	Nearest Neighbor Search for Simple Features
st_postgis()	Send 'sf' layer to a PostGIS query
st_remove_holes()	Remove polygon holes
st_segments()	Split polygons or lines to segments
towns	Point layer of towns in Israel
water	Polygonal layer of water bodies in Israel