Aliases: function return closure
Keywords: programming
### ** Examples norm <- function(x) sqrt(x%*%x) norm(1:4)
[,1] [1,] 5.477226
## An anonymous function: (function(x, y){ z <- x^2 + y^2; x+y+z })(0:7, 1)
[1] 2 4 8 14 22 32 44 58