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added examples of closures

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This commit is contained in:
Christian Poveda 2017-10-17 20:11:03 -05:00
parent 90691c8c1f
commit da7aab6e51
1 changed files with 3 additions and 1 deletions
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4
src/liballoc/str.rs
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@ -959,13 +959,15 @@ impl str {
/// assert_eq!(s.find("Léopard"), Some(13));
/// ```
///
/// More complex patterns with closures:
/// More complex patterns using point-free style and closures:
///
/// ```
/// let s = "Löwe 老虎 Léopard";
///
/// assert_eq!(s.find(char::is_whitespace), Some(5));
/// assert_eq!(s.find(char::is_lowercase), Some(1));
/// assert_eq!(s.find(|c: char| c.is_whitespace()), Some(5));
/// assert_eq!(s.find(|c: char| c.is_lowercase()), Some(1));
/// ```
///
/// Not finding the pattern: