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Make util::str::str_join operate on Iterators
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1 changed files with 4 additions and 2 deletions
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@ -326,8 +326,10 @@ pub unsafe fn c_str_to_string(s: *const c_char) -> String {
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from_utf8(CStr::from_ptr(s).to_bytes()).unwrap().to_owned()
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}
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pub fn str_join<T: AsRef<str>>(strs: &[T], join: &str) -> String {
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strs.iter().fold(String::new(), |mut acc, s| {
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pub fn str_join<I, T>(strs: I, join: &str) -> String
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where I: IntoIterator<Item=T>, T: AsRef<str>,
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{
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strs.into_iter().fold(String::new(), |mut acc, s| {
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if !acc.is_empty() { acc.push_str(join); }
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acc.push_str(s.as_ref());
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acc
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