-
Notifications
You must be signed in to change notification settings - Fork 1.5k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
implicit_hasher: use a single multipart suggestion
- Loading branch information
Showing
5 changed files
with
181 additions
and
91 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,102 @@ | ||
//@aux-build:proc_macros.rs | ||
#![deny(clippy::implicit_hasher)] | ||
|
||
#[macro_use] | ||
extern crate proc_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, S: ::std::hash::BuildHasher + Default> Foo<i8> for HashMap<K, V, S> { | ||
fn make() -> (Self, Self) { | ||
// OK, don't suggest to modify these | ||
let _: HashMap<i32, i32> = HashMap::new(); | ||
let _: HashSet<i32> = HashSet::new(); | ||
|
||
(HashMap::default(), HashMap::with_capacity_and_hasher(10, Default::default())) | ||
} | ||
} | ||
impl<K: Hash + Eq, V, S: ::std::hash::BuildHasher + Default> Foo<i8> for (HashMap<K, V, S>,) { | ||
fn make() -> (Self, Self) { | ||
((HashMap::default(),), (HashMap::with_capacity_and_hasher(10, Default::default()),)) | ||
} | ||
} | ||
impl<S: ::std::hash::BuildHasher + Default> Foo<i16> for HashMap<String, String, S> { | ||
fn make() -> (Self, Self) { | ||
(HashMap::default(), HashMap::with_capacity_and_hasher(10, Default::default())) | ||
} | ||
} | ||
|
||
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, S: ::std::hash::BuildHasher + Default> Foo<i8> for HashSet<T, S> { | ||
fn make() -> (Self, Self) { | ||
(HashSet::default(), HashSet::with_capacity_and_hasher(10, Default::default())) | ||
} | ||
} | ||
impl<S: ::std::hash::BuildHasher + Default> Foo<i16> for HashSet<String, S> { | ||
fn make() -> (Self, Self) { | ||
(HashSet::default(), HashSet::with_capacity_and_hasher(10, Default::default())) | ||
} | ||
} | ||
|
||
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 map<S: ::std::hash::BuildHasher>(map: &mut HashMap<i32, i32, S>) {} | ||
|
||
pub fn set<S: ::std::hash::BuildHasher>(set: &mut HashSet<i32, S>) {} | ||
|
||
#[inline_macros] | ||
pub mod gen { | ||
use super::*; | ||
inline! { | ||
impl<K: Hash + Eq, V, S: ::std::hash::BuildHasher + Default> Foo<u8> for HashMap<K, V, S> { | ||
fn make() -> (Self, Self) { | ||
(HashMap::default(), HashMap::with_capacity_and_hasher(10, Default::default())) | ||
} | ||
} | ||
|
||
pub fn bar(_map: &mut HashMap<i32, i32>, _set: &mut HashSet<i32>) {} | ||
} | ||
} | ||
|
||
// 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 | ||
external! { | ||
pub fn f(input: &HashMap<u32, u32>) {} | ||
} | ||
|
||
// #7712 | ||
pub async fn election_vote<S: ::std::hash::BuildHasher>(_data: HashMap<i32, i32, S>) {} | ||
|
||
fn main() {} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters