]> git.lizzy.rs Git - rust.git/blobdiff - clippy_lints/src/temporary_assignment.rs
Rollup merge of #82917 - cuviper:iter-zip, r=m-ou-se
[rust.git] / clippy_lints / src / temporary_assignment.rs
index 509bbfd27c1a5094184e4bbf775e631d89e445d2..8ef25dc816c65a995d413faaf79de5f142f9861e 100644 (file)
@@ -1,5 +1,5 @@
-use crate::utils::{is_adjusted, span_lint};
-use rustc_hir::def::{DefKind, Res};
+use clippy_utils::diagnostics::span_lint;
+use clippy_utils::is_adjusted;
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::{declare_lint_pass, declare_tool_lint};
     "assignments to temporaries"
 }
 
-fn is_temporary(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool {
-    match &expr.kind {
-        ExprKind::Struct(..) | ExprKind::Tup(..) => true,
-        ExprKind::Path(qpath) => {
-            if let Res::Def(DefKind::Const, ..) = cx.qpath_res(qpath, expr.hir_id) {
-                true
-            } else {
-                false
-            }
-        },
-        _ => false,
-    }
+fn is_temporary(expr: &Expr<'_>) -> bool {
+    matches!(&expr.kind, ExprKind::Struct(..) | ExprKind::Tup(..))
 }
 
 declare_lint_pass!(TemporaryAssignment => [TEMPORARY_ASSIGNMENT]);
@@ -45,7 +35,7 @@ fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) {
             while let ExprKind::Field(f, _) | ExprKind::Index(f, _) = &base.kind {
                 base = f;
             }
-            if is_temporary(cx, base) && !is_adjusted(cx, base) {
+            if is_temporary(base) && !is_adjusted(cx, base) {
                 span_lint(cx, TEMPORARY_ASSIGNMENT, expr.span, "assignment to temporary");
             }
         }