-use crate::utils::{
- implements_trait, in_macro, is_copy, multispan_sugg, snippet, span_lint, span_lint_and_then, SpanlessEq,
-};
+use crate::utils::{implements_trait, is_copy, multispan_sugg, snippet, span_lint, span_lint_and_then, SpanlessEq};
use rustc::hir::*;
use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
-use rustc::{declare_tool_lint, lint_array};
+use rustc::{declare_lint_pass, declare_tool_lint};
use rustc_errors::Applicability;
declare_clippy_lint! {
/// calls. We may introduce a whitelist of known pure functions in the future.
///
/// **Example:**
- /// ```ignore
- /// x + 1 == x + 1
+ /// ```rust
+ /// # let x = 1;
+ /// if x + 1 == x + 1 {}
/// ```
pub EQ_OP,
correctness,
"taking a reference to satisfy the type constraints on `==`"
}
-#[derive(Copy, Clone)]
-pub struct EqOp;
-
-impl LintPass for EqOp {
- fn get_lints(&self) -> LintArray {
- lint_array!(EQ_OP, OP_REF)
- }
-
- fn name(&self) -> &'static str {
- "EqOp"
- }
-}
+declare_lint_pass!(EqOp => [EQ_OP, OP_REF]);
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for EqOp {
#[allow(clippy::similar_names, clippy::too_many_lines)]
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) {
if let ExprKind::Binary(op, ref left, ref right) = e.node {
- if in_macro(e.span) {
+ if e.span.from_expansion() {
return;
}
if is_valid_operator(op) && SpanlessEq::new(cx).ignore_fn().eq_expr(left, right) {