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// aux-build:implicit_hasher_macros.rs
#![deny(clippy::implicit_hasher)]
#![allow(unused)]
#[macro_use]
extern crate implicit_hasher_macros;
use std::cmp::Eq;
use std::collections::{HashMap, HashSet};
use std::hash::{BuildHasher, Hash};
pub trait Foo<T>: Sized {
fn make() -> (Self, Self);
}
impl<K: Hash + Eq, V> Foo<i8> for HashMap<K, V> {
fn make() -> (Self, Self) {
// OK, don't suggest to modify these
let _: HashMap<i32, i32> = HashMap::new();
let _: HashSet<i32> = HashSet::new();
(HashMap::new(), HashMap::with_capacity(10))
}
}
impl<K: Hash + Eq, V> Foo<i8> for (HashMap<K, V>,) {
fn make() -> (Self, Self) {
((HashMap::new(),), (HashMap::with_capacity(10),))
}
}
impl Foo<i16> for HashMap<String, String> {
fn make() -> (Self, Self) {
(HashMap::new(), HashMap::with_capacity(10))
}
}
impl<K: Hash + Eq, V, S: BuildHasher + Default> Foo<i32> for HashMap<K, V, S> {
fn make() -> (Self, Self) {
(HashMap::default(), HashMap::with_capacity_and_hasher(10, S::default()))
}
}
impl<S: BuildHasher + Default> Foo<i64> for HashMap<String, String, S> {
fn make() -> (Self, Self) {
(HashMap::default(), HashMap::with_capacity_and_hasher(10, S::default()))
}
}
impl<T: Hash + Eq> Foo<i8> for HashSet<T> {
fn make() -> (Self, Self) {
(HashSet::new(), HashSet::with_capacity(10))
}
}
impl Foo<i16> for HashSet<String> {
fn make() -> (Self, Self) {
(HashSet::new(), HashSet::with_capacity(10))
}
}
impl<T: Hash + Eq, S: BuildHasher + Default> Foo<i32> for HashSet<T, S> {
fn make() -> (Self, Self) {
(HashSet::default(), HashSet::with_capacity_and_hasher(10, S::default()))
}
}
impl<S: BuildHasher + Default> Foo<i64> for HashSet<String, S> {
fn make() -> (Self, Self) {
(HashSet::default(), HashSet::with_capacity_and_hasher(10, S::default()))
}
}
pub fn foo(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32>) {}
macro_rules! gen {
(impl) => {
impl<K: Hash + Eq, V> Foo<u8> for HashMap<K, V> {
fn make() -> (Self, Self) {
(HashMap::new(), HashMap::with_capacity(10))
}
}
};
(fn $name:ident) => {
pub fn $name(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32>) {}
};
}
#[rustfmt::skip]
gen!(impl);
gen!(fn bar);
// When the macro is in a different file, the suggestion spans can't be combined properly
// and should not cause an ICE
// See #2707
#[macro_use]
#[path = "auxiliary/test_macro.rs"]
pub mod test_macro;
__implicit_hasher_test_macro!(impl<K, V> for HashMap<K, V> where V: test_macro::A);
// #4260
implicit_hasher_fn!();
// #7712
pub async fn election_vote(_data: HashMap<i32, i32>) {}
fn main() {}
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