Sha256: 009c36825bef678d2e61414abf89b31989dcd148e3c1641765312cad27f0e339
Contents?: true
Size: 633 Bytes
Versions: 95
Compression:
Stored size: 633 Bytes
Contents
use std::collections::HashMap;
pub struct School {
grades: HashMap<u32, Vec<String>>
}
impl School {
pub fn new() -> School {
School { grades: HashMap::new() }
}
pub fn add(&mut self, grade: u32, student: &str) {
let mut entry = self.grades.entry(grade).or_insert(Vec::new());
entry.push(student.to_string());
entry.sort();
}
pub fn grades(&self) -> Vec<u32> {
let mut s = self.grades.keys().cloned().collect::<Vec<u32>>();
s.sort();
s
}
pub fn grade(&self, grade: u32) -> Option<&Vec<String>> {
self.grades.get(&grade)
}
}
Version data entries
95 entries across 95 versions & 1 rubygems