serde/test_suite/tests/macros/mod.rs
2017-07-09 09:24:29 -07:00

76 lines
1.7 KiB
Rust

// Copyright 2017 Serde Developers
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
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
}
}
}