library/std/src/sys/unsupported/args.rs

   1 use crate::ffi::OsString;
   2
   3 pub struct Args {}
   4
   5 pub fn args() -> Args {
   6     Args {}
   7 }
   8
   9 impl fmt::Debug for Args {
  10     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
  11         f.debug_list().finish()
  12     }
  13 }
  14
  15 impl Iterator for Args {
  16     type Item = OsString;
  17     fn next(&mut self) -> Option<OsString> {
  18         None
  19     }
  20     fn size_hint(&self) -> (usize, Option<usize>) {
  21         (0, Some(0))
  22     }
  23 }
  24
  25 impl ExactSizeIterator for Args {
  26     fn len(&self) -> usize {
  27         0
  28     }
  29 }
  30
  31 impl DoubleEndedIterator for Args {
  32     fn next_back(&mut self) -> Option<OsString> {
  33         None
  34     }
  35 }