Document an edge case of str::split_once

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Imbolc 2022-06-13 13:35:49 +03:00 committed by GitHub
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@ -1632,6 +1632,7 @@ pub fn rsplitn<'a, P>(&'a self, n: usize, pat: P) -> RSplitN<'a, P>
///
/// ```
/// assert_eq!("cfg".split_once('='), None);
/// assert_eq!("cfg=".split_once('='), Some(("cfg", "")));
/// assert_eq!("cfg=foo".split_once('='), Some(("cfg", "foo")));
/// assert_eq!("cfg=foo=bar".split_once('='), Some(("cfg", "foo=bar")));
/// ```