Fix newly added clippy warnings #941
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```
warning: boolean to int conversion using if
--> crossbeam-channel/src/flavors/at.rs:137:9
|
137 | / if self.is_empty() {
138 | | 0
139 | | } else {
140 | | 1
141 | | }
| |_________^ help: replace with from: `usize::from(!self.is_empty())`
|
= note: `!self.is_empty() as usize` or `(!self.is_empty()).into()` can also be valid options
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_to_int_with_if
= note: `#[warn(clippy::bool_to_int_with_if)]` on by default
warning: boolean to int conversion using if
--> crossbeam-channel/src/flavors/tick.rs:108:9
|
108 | / if self.is_empty() {
109 | | 0
110 | | } else {
111 | | 1
112 | | }
| |_________^ help: replace with from: `usize::from(!self.is_empty())`
|
= note: `!self.is_empty() as usize` or `(!self.is_empty()).into()` can also be valid options
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_to_int_with_if
```
```
warning: dereferencing a tuple pattern where every element takes a reference
--> crossbeam-skiplist/src/base.rs:1721:30
|
1721 | (Some(ref next), &Some(ref t)) if next.key() >= t.key() => {
| ^^^^^^^^^^^^
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
= note: `#[warn(clippy::needless_borrowed_reference)]` on by default
help: try removing the `&` and `ref` parts
|
1721 - (Some(ref next), &Some(ref t)) if next.key() >= t.key() => {
1721 + (Some(ref next), Some(t)) if next.key() >= t.key() => {
|
warning: dereferencing a tuple pattern where every element takes a reference
--> crossbeam-skiplist/src/base.rs:1748:14
|
1748 | (&Some(ref h), Some(next)) if h.key() >= next.key() => {
| ^^^^^^^^^^^^
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
help: try removing the `&` and `ref` parts
|
1748 - (&Some(ref h), Some(next)) if h.key() >= next.key() => {
1748 + (Some(h), Some(next)) if h.key() >= next.key() => {
|
```
|
bors r+ |
|
Build succeeded:
|
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