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lovasoa/join.rs

Created July 2, 2015 22:40
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join vector of strings in rust
Raw
join.rs
fn join<S:ToString> (l: Vec<S>, sep: &str) -> String{
l.iter().fold("".to_string(),
|a,b| if a.len()>0 {a+sep} else {a} + &b.to_string()
)
}
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