Remove every layer
Examples
map <- geolibre() |> add_marker(-77, 39) |> clear_layers()
stopifnot(length(map$x$project$layers) == 0L)
Remove every layer
map <- geolibre() |> add_marker(-77, 39) |> clear_layers()
stopifnot(length(map$x$project$layers) == 0L)