annoying looping bugs in R

[gusl]

In R, you loop over your list l as follows

for (i in 1:length(l))

But if length(l) is zero, you still visit the loop twice... I do not know an elegant solution to this.

Another one has to do with operator precedence, 1:k+3 gets parsed as (1:k)+3 rather than 1:(k+3).

Comments

[(Anonymous)]

solution: for (i in seq_along(l))