lapply(x, runif)
[[1]]
[1] 0.7567216
[[2]]
[1] 0.6671460 0.5853487
[[3]]
[1] 0.6894451 0.6012011 0.4198921
[[4]]
[1] 0.3292182 0.9232095 0.7794852 0.3744533
> lapply(x, runif, min=0, max=100)
[[1]]
[1] 13.2469
[[2]]
[1] 41.00204 41.69753
[[3]]
[1] 0.4434934 46.4495736 13.3511447
[[4]]
[1] 30.59451 56.64134 42.04451 22.90153