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Create and utilize utility for joining strs

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This commit is contained in:
Corey Farwell 2015-07-08 05:18:07 +09:00
parent c77b5aa8e2
commit 7159fe749f
3 changed files with 12 additions and 12 deletions
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8
components/util/str.rs
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@ -327,3 +327,11 @@ impl Deref for LowercaseString {
pub unsafe fn c_str_to_string(s: *const c_char) -> String {
from_utf8(CStr::from_ptr(s).to_bytes()).unwrap().to_owned()
}
pub fn str_join<T: AsRef<str>>(strs: &[T], join: &str) -> String {
strs.iter().fold(String::new(), |mut acc, s| {
if !acc.is_empty() { acc.push_str(join); }
acc.push_str(s.as_ref());
acc
})
}