What are differences in the assignment operators '=' and '<-' in R? I know that operators are slightly different as this example shows

x <- y <- 5 x = y = 5 x = y <- 5 x <- y = 5 # Error in (x <- y) = 5 : could not find function "<-<-" 

But is this the only difference?

What are the differences between the assignment operators = and <- in R? 

I know that operators are slightly different, as this example shows

x <- y <- 5 x = y = 5 x = y <- 5 x <- y = 5 # Error in (x <- y) = 5 : could not find function "<-<-" 

But is this the only difference?