st_coordinates()
sf
inla()
semi_join(x, y, by = "a")
## Simple feature collection with 1 feature and 1 field ## Geometry type: POINT ## Dimension: XY ## Bounding box: xmin: 1 ymin: 1 xmax: 1 ymax: 1 ## CRS: NA ## a geom ## 1 2 POINT (1 1)