diff options
Diffstat (limited to '')
-rw-r--r-- | src/tools/clippy/tests/ui/iter_kv_map.rs | 39 |
1 files changed, 36 insertions, 3 deletions
diff --git a/src/tools/clippy/tests/ui/iter_kv_map.rs b/src/tools/clippy/tests/ui/iter_kv_map.rs index 7a1f1fb01..ad6564df4 100644 --- a/src/tools/clippy/tests/ui/iter_kv_map.rs +++ b/src/tools/clippy/tests/ui/iter_kv_map.rs @@ -1,14 +1,15 @@ // run-rustfix #![warn(clippy::iter_kv_map)] -#![allow(clippy::redundant_clone)] -#![allow(clippy::suspicious_map)] -#![allow(clippy::map_identity)] +#![allow(unused_mut, clippy::redundant_clone, clippy::suspicious_map, clippy::map_identity)] use std::collections::{BTreeMap, HashMap}; fn main() { let get_key = |(key, _val)| key; + fn ref_acceptor(v: &u32) -> u32 { + *v + } let map: HashMap<u32, u32> = HashMap::new(); @@ -36,6 +37,22 @@ fn main() { let _ = map.iter().map(|(key, _value)| key * 9).count(); let _ = map.iter().map(|(_key, value)| value * 17).count(); + // Preserve the ref in the fix. + let _ = map.clone().into_iter().map(|(_, ref val)| ref_acceptor(val)).count(); + + // Preserve the mut in the fix. + let _ = map + .clone() + .into_iter() + .map(|(_, mut val)| { + val += 2; + val + }) + .count(); + + // Don't let a mut interfere. + let _ = map.clone().into_iter().map(|(_, mut val)| val).count(); + let map: BTreeMap<u32, u32> = BTreeMap::new(); let _ = map.iter().map(|(key, _)| key).collect::<Vec<_>>(); @@ -61,4 +78,20 @@ fn main() { // Lint let _ = map.iter().map(|(key, _value)| key * 9).count(); let _ = map.iter().map(|(_key, value)| value * 17).count(); + + // Preserve the ref in the fix. + let _ = map.clone().into_iter().map(|(_, ref val)| ref_acceptor(val)).count(); + + // Preserve the mut in the fix. + let _ = map + .clone() + .into_iter() + .map(|(_, mut val)| { + val += 2; + val + }) + .count(); + + // Don't let a mut interfere. + let _ = map.clone().into_iter().map(|(_, mut val)| val).count(); } |