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use crate::ffi::OsString; use crate::fmt; pub struct Args {} pub fn args() -> Args { Args {} } impl fmt::Debug for Args { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { f.debug_list().finish() } } impl Iterator for Args { type Item = OsString; fn next(&mut self) -> Option<OsString> { None } fn size_hint(&self) -> (usize, Option<usize>) { (0, Some(0)) } } impl ExactSizeIterator for Args { fn len(&self) -> usize { 0 } } impl DoubleEndedIterator for Args { fn next_back(&mut self) -> Option<OsString> { None } }