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Use existing 'is_automatically_derived' helper

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Philipp Hansch 2021-01-05 16:31:08 +01:00
parent a6b72d378f
commit a8825e9af0
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GPG key ID: 2B4399C4BF4DCBDE
1 changed files with 2 additions and 3 deletions
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5
clippy_lints/src/needless_borrow.rs
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@ -2,7 +2,7 @@
//! //!
//! This lint is **warn** by default //! This lint is **warn** by default
use crate::utils::{snippet_opt, span_lint_and_then}; use crate::utils::{is_automatically_derived, snippet_opt, span_lint_and_then};
use if_chain::if_chain; use if_chain::if_chain;
use rustc_errors::Applicability; use rustc_errors::Applicability;
use rustc_hir::{BindingAnnotation, BorrowKind, Expr, ExprKind, HirId, Item, Mutability, Pat, PatKind}; use rustc_hir::{BindingAnnotation, BorrowKind, Expr, ExprKind, HirId, Item, Mutability, Pat, PatKind};
@ -10,7 +10,6 @@ use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::ty; use rustc_middle::ty;
use rustc_middle::ty::adjustment::{Adjust, Adjustment}; use rustc_middle::ty::adjustment::{Adjust, Adjustment};
use rustc_session::{declare_tool_lint, impl_lint_pass}; use rustc_session::{declare_tool_lint, impl_lint_pass};
use rustc_span::sym;
declare_clippy_lint! { declare_clippy_lint! {
/// **What it does:** Checks for address of operations (`&`) that are going to /// **What it does:** Checks for address of operations (`&`) that are going to
@ -116,7 +115,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessBorrow {
} }
fn check_item(&mut self, _: &LateContext<'tcx>, item: &'tcx Item<'_>) { fn check_item(&mut self, _: &LateContext<'tcx>, item: &'tcx Item<'_>) {
if item.attrs.iter().any(|a| a.has_name(sym::automatically_derived)) { if is_automatically_derived(item.attrs) {
debug_assert!(self.derived_item.is_none()); debug_assert!(self.derived_item.is_none());
self.derived_item = Some(item.hir_id); self.derived_item = Some(item.hir_id);
} }