Rollup merge of #100203 - compiler-errors:command-args-size-hint, r=m…

…-ou-se provide correct size hint for unsupported platform `CommandArgs` Split from #99880 (comment)
rust-lang · Aug 11, 2022 · bd64d67 · bd64d67
2 parents 275d4e7 + 725da87
commit bd64d67
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/library/std/src/sys/unsupported/process.rs b/library/std/src/sys/unsupported/process.rs
@@ -200,6 +200,9 @@ impl<'a> Iterator for CommandArgs<'a> {
     fn next(&mut self) -> Option<&'a OsStr> {
         None
     }
+    fn size_hint(&self) -> (usize, Option<usize>) {
+        (0, Some(0))
+    }
 }
 
 impl<'a> ExactSizeIterator for CommandArgs<'a> {}