Method build_dict

676-implement-magic-dictionary.rs:14–18

(&mut self, dictionary: Vec<String>)

    }

    fn build_dict(&mut self, dictionary: Vec<String>) {
        for s in dictionary {
            self.mmp.entry(s.len()).or_insert(Vec::new()).push(s.chars().collect::<Vec<char>>());
        }
    }

    fn search(&self, search_word: String) -> bool {
        let search_word_len = search_word.len();