serde/test_suite/tests/macros.rs
2017-01-25 20:55:55 -08:00

68 lines
1.4 KiB
Rust

macro_rules! btreeset {
() => {
BTreeSet::new()
};
($($value:expr),+) => {
{
let mut set = BTreeSet::new();
$(set.insert($value);)+
set
}
}
}
macro_rules! btreemap {
() => {
BTreeMap::new()
};
($($key:expr => $value:expr),+) => {
{
let mut map = BTreeMap::new();
$(map.insert($key, $value);)+
map
}
}
}
macro_rules! hashset {
() => {
HashSet::new()
};
($($value:expr),+) => {
{
let mut set = HashSet::new();
$(set.insert($value);)+
set
}
};
($hasher:ident @ $($value:expr),+) => {
{
use std::hash::BuildHasherDefault;
let mut set = HashSet::with_hasher(BuildHasherDefault::<$hasher>::default());
$(set.insert($value);)+
set
}
}
}
macro_rules! hashmap {
() => {
HashMap::new()
};
($($key:expr => $value:expr),+) => {
{
let mut map = HashMap::new();
$(map.insert($key, $value);)+
map
}
};
($hasher:ident @ $($key:expr => $value:expr),+) => {
{
use std::hash::BuildHasherDefault;
let mut map = HashMap::with_hasher(BuildHasherDefault::<$hasher>::default());
$(map.insert($key, $value);)+
map
}
}
}