[R] for loop the can be skipped

[Duncan Murdoch]

On 11/02/2010 9:28 AM, Fabrizio Pollastri wrote:
> Hello,
>
> there is compact way to skip a for loop when the requested number of 
> iterations is 0 ?
>
> For example, something equivalent to the following code:
>
> for (i in some_function(from=1,to=iteration_cycles)) { ... }
>
> Where the loop is skipped when iteration_cycles==0

Sure:

for (i in seq_len(iteration_cycles)) { ... }

will execute 0 times if requested.

Duncan Murdoch