Reuse unsupported::args on wasm

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

@@ -1,42 +0,0 @@
-use crate::ffi::OsString;
-use crate::fmt;
-use crate::vec;
-
-pub fn args() -> Args {
-    Args { iter: Vec::new().into_iter() }
-}
-
-pub struct Args {
-    iter: vec::IntoIter<OsString>,
-}
-
-impl !Send for Args {}
-impl !Sync for Args {}
-
-impl fmt::Debug for Args {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        self.iter.as_slice().fmt(f)
-    }
-}
-
-impl Iterator for Args {
-    type Item = OsString;
-    fn next(&mut self) -> Option<OsString> {
-        self.iter.next()
-    }
-    fn size_hint(&self) -> (usize, Option<usize>) {
-        self.iter.size_hint()
-    }
-}
-
-impl ExactSizeIterator for Args {
-    fn len(&self) -> usize {
-        self.iter.len()
-    }
-}
-
-impl DoubleEndedIterator for Args {
-    fn next_back(&mut self) -> Option<OsString> {
-        self.iter.next_back()
-    }
-}

library/std/src/sys/wasm/mod.rs

@@ -17,6 +17,7 @@
 #![deny(unsafe_op_in_unsafe_fn)]
 
 pub mod alloc;
+#[path = "../unsupported/args.rs"]
 pub mod args;
 #[path = "../unsupported/cmath.rs"]
 pub mod cmath;