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auto merge of #14335 : tbu-/rust/pr_doc_strsplit, r=pnkfelix

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In particular, show examples for splitting the empty string and using `splitn`
with a count of 0.

Fix #14222.
This commit is contained in:
bors 2014-05-22 05:26:22 -07:00
commit 9ac9148bbd
1 changed files with 9 additions and 0 deletions
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9
src/libcore/str.rs
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@ -1112,6 +1112,9 @@ pub trait StrSlice<'a> {
///
/// let v: Vec<&str> = "lionXXtigerXleopard".split('X').collect();
/// assert_eq!(v, vec!["lion", "", "tiger", "leopard"]);
///
/// let v: Vec<&str> = "".split('X').collect();
/// assert_eq!(v, vec![""]);
/// ```
fn split<Sep: CharEq>(&self, sep: Sep) -> CharSplits<'a, Sep>;
@ -1130,6 +1133,12 @@ pub trait StrSlice<'a> {
///
/// let v: Vec<&str> = "lionXXtigerXleopard".splitn('X', 2).collect();
/// assert_eq!(v, vec!["lion", "", "tigerXleopard"]);
///
/// let v: Vec<&str> = "abcXdef".splitn('X', 0).collect();
/// assert_eq!(v, vec!["abcXdef"]);
///
/// let v: Vec<&str> = "".splitn('X', 1).collect();
/// assert_eq!(v, vec![""]);
/// ```
fn splitn<Sep: CharEq>(&self, sep: Sep, count: uint) -> CharSplitsN<'a, Sep>;