1 // Regression test for #71546.
3 // Made to pass as part of fixing #98095.
7 pub fn serialize_as_csv<V>(value: &V) -> Result<String, &str>
10 for<'a> &'a V: IntoIterator,
11 for<'a> <&'a V as IntoIterator>::Item: ToString + 'static,
13 let csv_str: String = value.into_iter().map(|elem| elem.to_string()).collect::<String>();