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Fix #[expect] for clippy::nonminimal_bool

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This commit is contained in:
xFrednet
2022-06-25 14:16:30 +02:00
parent a3c7101f61
commit b6ee6bba4c
3 changed files with 22 additions and 14 deletions
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clippy_lints/src/booleans.rs
+3 -2
View File
@@ -1,4 +1,4 @@
use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then, span_lint_hir_and_then};
use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_hir_and_then};
use clippy_utils::source::snippet_opt;
use clippy_utils::ty::{implements_trait, is_type_diagnostic_item};
use clippy_utils::{eq_expr_value, get_trait_def_id, paths};
@@ -430,9 +430,10 @@ fn bool_expr(&self, e: &'tcx Expr<'_>) {
}
}
let nonminimal_bool_lint = |suggestions: Vec<_>| {
span_lint_and_then(
span_lint_hir_and_then(
self.cx,
NONMINIMAL_BOOL,
e.hir_id,
e.span,
"this boolean expression can be simplified",
|diag| {
tests/ui/nonminimal_bool.rs
+7
View File
@@ -1,3 +1,4 @@
#![feature(lint_reasons)]
#![allow(unused, clippy::diverging_sub_expression)]
#![warn(clippy::nonminimal_bool)]
@@ -50,3 +51,9 @@ fn f(_i: u32, _j: u32) -> u32 {
if i != j && f(i, j) != 0 || i == j && f(i, j) != 1 {}
}
fn check_expect() {
let a: bool = unimplemented!();
#[expect(clippy::nonminimal_bool)]
let _ = !!a;
}
tests/ui/nonminimal_bool.stderr
+12 -12
View File
@@ -1,5 +1,5 @@
error: this boolean expression can be simplified
--> $DIR/nonminimal_bool.rs:10:13
--> $DIR/nonminimal_bool.rs:11:13
|
LL | let _ = !true;
| ^^^^^ help: try: `false`
@@ -7,43 +7,43 @@ LL | let _ = !true;
= note: `-D clippy::nonminimal-bool` implied by `-D warnings`
error: this boolean expression can be simplified
--> $DIR/nonminimal_bool.rs:11:13
--> $DIR/nonminimal_bool.rs:12:13
|
LL | let _ = !false;
| ^^^^^^ help: try: `true`
error: this boolean expression can be simplified
--> $DIR/nonminimal_bool.rs:12:13
--> $DIR/nonminimal_bool.rs:13:13
|
LL | let _ = !!a;
| ^^^ help: try: `a`
error: this boolean expression can be simplified
--> $DIR/nonminimal_bool.rs:13:13
--> $DIR/nonminimal_bool.rs:14:13
|
LL | let _ = false || a;
| ^^^^^^^^^^ help: try: `a`
error: this boolean expression can be simplified
--> $DIR/nonminimal_bool.rs:17:13
--> $DIR/nonminimal_bool.rs:18:13
|
LL | let _ = !(!a && b);
| ^^^^^^^^^^ help: try: `a || !b`
error: this boolean expression can be simplified
--> $DIR/nonminimal_bool.rs:18:13
--> $DIR/nonminimal_bool.rs:19:13
|
LL | let _ = !(!a || b);
| ^^^^^^^^^^ help: try: `a && !b`
error: this boolean expression can be simplified
--> $DIR/nonminimal_bool.rs:19:13
--> $DIR/nonminimal_bool.rs:20:13
|
LL | let _ = !a && !(b && c);
| ^^^^^^^^^^^^^^^ help: try: `!(a || b && c)`
error: this boolean expression can be simplified
--> $DIR/nonminimal_bool.rs:27:13
--> $DIR/nonminimal_bool.rs:28:13
|
LL | let _ = a == b && c == 5 && a == b;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -56,7 +56,7 @@ LL | let _ = a == b && c == 5;
| ~~~~~~~~~~~~~~~~
error: this boolean expression can be simplified
--> $DIR/nonminimal_bool.rs:28:13
--> $DIR/nonminimal_bool.rs:29:13
|
LL | let _ = a == b || c == 5 || a == b;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -69,7 +69,7 @@ LL | let _ = a == b || c == 5;
| ~~~~~~~~~~~~~~~~
error: this boolean expression can be simplified
--> $DIR/nonminimal_bool.rs:29:13
--> $DIR/nonminimal_bool.rs:30:13
|
LL | let _ = a == b && c == 5 && b == a;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -82,7 +82,7 @@ LL | let _ = a == b && c == 5;
| ~~~~~~~~~~~~~~~~
error: this boolean expression can be simplified
--> $DIR/nonminimal_bool.rs:30:13
--> $DIR/nonminimal_bool.rs:31:13
|
LL | let _ = a != b || !(a != b || c == d);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -95,7 +95,7 @@ LL | let _ = a != b || c != d;
| ~~~~~~~~~~~~~~~~
error: this boolean expression can be simplified
--> $DIR/nonminimal_bool.rs:31:13
--> $DIR/nonminimal_bool.rs:32:13
|
LL | let _ = a != b && !(a != b && c == d);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^