how to display simple arrow on the map in R using Leaflet

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I try to display an arrows on the map in html and using R and leaflet packag,

code of map :

# install packages install.packages(c("rgdal", "maptools", "leaflet", "htmlwidgets"), dependencies = TRUE) # load libraries library("rgdal") library("maptools") library("leaflet") library("htmlwidgets") # load france as shape FRA=readShapePoly("data/france.shp") # Initialsation m