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Clarify the description for rfind

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Changes the example code to illustrate the difference between
find and rfind
This commit is contained in:
Lynoure Braakman 2020-07-13 17:41:27 +02:00
parent e59b08e62e
commit d27e7d04a1
1 changed files with 6 additions and 5 deletions
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11
src/libcore/str/mod.rs
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@ -3158,11 +3158,11 @@ impl str {
/// Simple patterns: /// Simple patterns:
/// ///
/// ``` /// ```
/// let s = "Löwe 老虎 Léopard"; /// let s = "Löwe 老虎 Léopard Gepardi";
/// ///
/// assert_eq!(s.find('L'), Some(0)); /// assert_eq!(s.find('L'), Some(0));
/// assert_eq!(s.find('é'), Some(14)); /// assert_eq!(s.find('é'), Some(14));
/// assert_eq!(s.find("Léopard"), Some(13)); /// assert_eq!(s.find("pard"), Some(17));
/// ``` /// ```
/// ///
/// More complex patterns using point-free style and closures: /// More complex patterns using point-free style and closures:
@ -3190,8 +3190,8 @@ impl str {
pat.into_searcher(self).next_match().map(|(i, _)| i) pat.into_searcher(self).next_match().map(|(i, _)| i)
} }
/// Returns the byte index of the last character of this string slice that /// Returns the byte index for the first character of the rightmost match of the pattern in
/// matches the pattern. /// this string slice.
/// ///
/// Returns [`None`] if the pattern doesn't match. /// Returns [`None`] if the pattern doesn't match.
/// ///
@ -3207,10 +3207,11 @@ impl str {
/// Simple patterns: /// Simple patterns:
/// ///
/// ``` /// ```
/// let s = "Löwe 老虎 Léopard"; /// let s = "Löwe 老虎 Léopard Gepardi";
/// ///
/// assert_eq!(s.rfind('L'), Some(13)); /// assert_eq!(s.rfind('L'), Some(13));
/// assert_eq!(s.rfind('é'), Some(14)); /// assert_eq!(s.rfind('é'), Some(14));
/// assert_eq!(s.rfind("pard"), Some(24));
/// ``` /// ```
/// ///
/// More complex patterns with closures: /// More complex patterns with closures: