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

   1 use crate::ffi::OsString;
   2 use crate::fmt;
   3
   4 pub struct Args {}
   5
   6 pub fn args() -> Args {
   7     Args {}
   8 }
   9
  10 impl fmt::Debug for Args {
  11     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
  12         f.debug_list().finish()
  13     }
  14 }
  15
  16 impl Iterator for Args {
  17     type Item = OsString;
  18     fn next(&mut self) -> Option<OsString> {
  19         None
  20     }
  21     fn size_hint(&self) -> (usize, Option<usize>) {
  22         (0, Some(0))
  23     }
  24 }
  25
  26 impl ExactSizeIterator for Args {
  27     fn len(&self) -> usize {
  28         0
  29     }
  30 }
  31
  32 impl DoubleEndedIterator for Args {
  33     fn next_back(&mut self) -> Option<OsString> {
  34         None
  35     }
  36 }