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use std::collections::{HashMap, HashSet};
use std::hash::Hash;
use buildstructor::buildstructor;
pub struct Collections {
map: HashMap<String, String>,
set: HashSet<String>,
}
#[buildstructor]
impl Collections {
#[builder]
fn new<K: Into<String> + Eq + Hash, V: Into<String>>(
map: HashMap<K, V>,
set: HashSet<K>,
) -> Collections {
Self {
map: map.into_iter().map(|(k, v)| (k.into(), v.into())).collect(),
set: set.into_iter().map(|v| v.into()).collect(),
}
}
}
fn main() {
let collections = Collections::builder()
.map_entry("Appa", "1")
.map_entry("Momo", "2")
.set_entry("Aang")
.set_entry("Katara")
.set_entry("Sokka")
.set_entry("Toph")
.build();
assert_eq!(
collections.map,
HashMap::from([
("Appa".to_string(), "1".to_string()),
("Momo".to_string(), "2".to_string())
])
);
assert_eq!(
collections.set,
HashSet::from([
("Aang".to_string()),
("Katara".to_string()),
("Sokka".to_string()),
("Toph".to_string()),
])
);
}
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