luludada-s-library 0.2.0

A small utility library for demonstration
Documentation 
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/// 字符串相关的工具函数
pub fn capitalize(s: &str) -> String {
    let mut c = s.chars();
    match c.next() {
        None => String::new(),
        Some(f) => f.to_uppercase().collect::<String>() + c.as_str(),
    }
}