1f <- function () { 2 x <<- 1 3} 4f() 5print (x) 6 7y <- 1 8g <- function () { 9 y <<- 2 10} 11g() 12print (y) 13 14 15 16h <- function () { 17 h0 <- function () { 18 y <<- 9 19 } 20 h0() 21} 22h() 23print(y) 24 25i <- function () { 26 z <- 1 27 i0 <- function () { 28 z <<- 12 29 v <<- 13 30 v ->> u 31 } 32 i0() 33 # 12 34 print(z) 35} 36i() 37 38# The next `z' is undefined. 39# print(z) 40