mirror of
https://github.com/rust-lang/rust-clippy
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142 lines
3.5 KiB
Text
142 lines
3.5 KiB
Text
error: usage of `contains_key` followed by `insert` on a `HashMap`
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--> $DIR/entry_with_else.rs:16:5
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LL | / if !m.contains_key(&k) {
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LL | | m.insert(k, v);
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LL | | } else {
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LL | | m.insert(k, v2);
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LL | | }
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| |_____^
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= note: `-D clippy::map-entry` implied by `-D warnings`
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help: try this
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LL ~ match m.entry(k) {
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LL + std::collections::hash_map::Entry::Vacant(e) => {
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LL + e.insert(v);
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LL + }
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LL + std::collections::hash_map::Entry::Occupied(mut e) => {
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LL + e.insert(v2);
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...
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error: usage of `contains_key` followed by `insert` on a `HashMap`
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--> $DIR/entry_with_else.rs:22:5
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LL | / if m.contains_key(&k) {
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LL | | m.insert(k, v);
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LL | | } else {
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LL | | m.insert(k, v2);
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LL | | }
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| |_____^
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help: try this
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LL ~ match m.entry(k) {
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LL + std::collections::hash_map::Entry::Occupied(mut e) => {
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LL + e.insert(v);
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LL + }
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LL + std::collections::hash_map::Entry::Vacant(e) => {
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LL + e.insert(v2);
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...
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error: usage of `contains_key` followed by `insert` on a `HashMap`
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--> $DIR/entry_with_else.rs:28:5
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LL | / if !m.contains_key(&k) {
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LL | | m.insert(k, v);
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LL | | } else {
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LL | | foo();
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LL | | }
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| |_____^
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help: try this
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LL ~ if let std::collections::hash_map::Entry::Vacant(e) = m.entry(k) {
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LL + e.insert(v);
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LL + } else {
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LL + foo();
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LL + }
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error: usage of `contains_key` followed by `insert` on a `HashMap`
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--> $DIR/entry_with_else.rs:34:5
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LL | / if !m.contains_key(&k) {
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LL | | foo();
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LL | | } else {
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LL | | m.insert(k, v);
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LL | | }
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| |_____^
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help: try this
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LL ~ if let std::collections::hash_map::Entry::Occupied(mut e) = m.entry(k) {
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LL + e.insert(v);
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LL + } else {
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LL + foo();
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LL + }
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error: usage of `contains_key` followed by `insert` on a `HashMap`
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--> $DIR/entry_with_else.rs:40:5
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LL | / if !m.contains_key(&k) {
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LL | | m.insert(k, v);
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LL | | } else {
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LL | | m.insert(k, v2);
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LL | | }
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| |_____^
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help: try this
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LL ~ match m.entry(k) {
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LL + std::collections::hash_map::Entry::Vacant(e) => {
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LL + e.insert(v);
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LL + }
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LL + std::collections::hash_map::Entry::Occupied(mut e) => {
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LL + e.insert(v2);
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...
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error: usage of `contains_key` followed by `insert` on a `HashMap`
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--> $DIR/entry_with_else.rs:46:5
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LL | / if m.contains_key(&k) {
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LL | | if true { m.insert(k, v) } else { m.insert(k, v2) }
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LL | | } else {
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LL | | m.insert(k, v)
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LL | | };
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| |_____^
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help: try this
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LL ~ match m.entry(k) {
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LL + std::collections::hash_map::Entry::Occupied(mut e) => {
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LL + if true { Some(e.insert(v)) } else { Some(e.insert(v2)) }
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LL + }
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LL + std::collections::hash_map::Entry::Vacant(e) => {
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LL + e.insert(v);
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...
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error: usage of `contains_key` followed by `insert` on a `HashMap`
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--> $DIR/entry_with_else.rs:52:5
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LL | / if m.contains_key(&k) {
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LL | | foo();
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LL | | m.insert(k, v)
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LL | | } else {
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LL | | None
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LL | | };
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| |_____^
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help: try this
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LL ~ if let std::collections::hash_map::Entry::Occupied(mut e) = m.entry(k) {
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LL + foo();
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LL + Some(e.insert(v))
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LL + } else {
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LL + None
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LL ~ };
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error: aborting due to 7 previous errors
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