mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-14 17:07:17 +00:00
66 lines
1.3 KiB
Rust
66 lines
1.3 KiB
Rust
#![feature(plugin)]
|
|
#![plugin(clippy)]
|
|
#![allow(unused)]
|
|
|
|
#![deny(map_entry)]
|
|
|
|
use std::collections::{BTreeMap, HashMap};
|
|
use std::hash::Hash;
|
|
|
|
fn foo() {}
|
|
|
|
fn insert_if_absent0<K: Eq + Hash, V>(m: &mut HashMap<K, V>, k: K, v: V) {
|
|
if !m.contains_key(&k) { m.insert(k, v); }
|
|
|
|
|
|
|
|
}
|
|
|
|
fn insert_if_absent1<K: Eq + Hash, V>(m: &mut HashMap<K, V>, k: K, v: V) {
|
|
if !m.contains_key(&k) { foo(); m.insert(k, v); }
|
|
|
|
|
|
|
|
}
|
|
|
|
fn insert_if_absent2<K: Eq + Hash, V>(m: &mut HashMap<K, V>, k: K, v: V) {
|
|
if !m.contains_key(&k) { m.insert(k, v) } else { None };
|
|
|
|
|
|
|
|
}
|
|
|
|
fn insert_if_present2<K: Eq + Hash, V>(m: &mut HashMap<K, V>, k: K, v: V) {
|
|
if m.contains_key(&k) { None } else { m.insert(k, v) };
|
|
|
|
|
|
|
|
}
|
|
|
|
fn insert_if_absent3<K: Eq + Hash, V>(m: &mut HashMap<K, V>, k: K, v: V) {
|
|
if !m.contains_key(&k) { foo(); m.insert(k, v) } else { None };
|
|
|
|
|
|
|
|
}
|
|
|
|
fn insert_if_present3<K: Eq + Hash, V>(m: &mut HashMap<K, V>, k: K, v: V) {
|
|
if m.contains_key(&k) { None } else { foo(); m.insert(k, v) };
|
|
|
|
|
|
|
|
}
|
|
|
|
fn insert_in_btreemap<K: Ord, V>(m: &mut BTreeMap<K, V>, k: K, v: V) {
|
|
if !m.contains_key(&k) { foo(); m.insert(k, v) } else { None };
|
|
|
|
|
|
|
|
}
|
|
|
|
fn insert_other_if_absent<K: Eq + Hash, V>(m: &mut HashMap<K, V>, k: K, o: K, v: V) {
|
|
if !m.contains_key(&k) { m.insert(o, v); }
|
|
}
|
|
|
|
fn main() {
|
|
}
|