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rustup "Add span information to ExprKind::Assign
"
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652666b288
@ -76,7 +76,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for AssignOps {
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}
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}
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},
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hir::ExprKind::Assign(assignee, e) => {
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hir::ExprKind::Assign(assignee, e, _) => {
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if let hir::ExprKind::Binary(op, l, r) = &e.kind {
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#[allow(clippy::cognitive_complexity)]
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let lint = |assignee: &hir::Expr, rhs: &hir::Expr| {
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@ -62,7 +62,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for EvalOrderDependence {
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fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
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// Find a write to a local variable.
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match expr.kind {
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ExprKind::Assign(ref lhs, _) | ExprKind::AssignOp(_, ref lhs, _) => {
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ExprKind::Assign(ref lhs, ..) | ExprKind::AssignOp(_, ref lhs, _) => {
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if let ExprKind::Path(ref qpath) = lhs.kind {
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if let QPath::Resolved(_, ref path) = *qpath {
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if path.segments.len() == 1 {
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@ -224,7 +224,7 @@ fn check_expr<'a, 'tcx>(vis: &mut ReadVisitor<'a, 'tcx>, expr: &'tcx Expr) -> St
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| ExprKind::Tup(_)
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| ExprKind::MethodCall(..)
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| ExprKind::Call(_, _)
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| ExprKind::Assign(_, _)
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| ExprKind::Assign(..)
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| ExprKind::Index(_, _)
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| ExprKind::Repeat(_, _)
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| ExprKind::Struct(_, _, _) => {
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@ -345,7 +345,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ReadVisitor<'a, 'tcx> {
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/// Returns `true` if `expr` is the LHS of an assignment, like `expr = ...`.
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fn is_in_assignment_position(cx: &LateContext<'_, '_>, expr: &Expr) -> bool {
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if let Some(parent) = get_parent_expr(cx, expr) {
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if let ExprKind::Assign(ref lhs, _) = parent.kind {
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if let ExprKind::Assign(ref lhs, ..) = parent.kind {
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return lhs.hir_id == expr.hir_id;
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}
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}
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@ -131,7 +131,7 @@ impl EarlyLintPass for Formatting {
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/// Implementation of the `SUSPICIOUS_ASSIGNMENT_FORMATTING` lint.
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fn check_assign(cx: &EarlyContext<'_>, expr: &Expr) {
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if let ExprKind::Assign(ref lhs, ref rhs) = expr.kind {
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if let ExprKind::Assign(ref lhs, ref rhs, _) = expr.kind {
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if !differing_macro_contexts(lhs.span, rhs.span) && !lhs.span.from_expansion() {
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let eq_span = lhs.span.between(rhs.span);
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if let ExprKind::Unary(op, ref sub_rhs) = rhs.kind {
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@ -615,7 +615,7 @@ impl<'a, 'tcx> intravisit::Visitor<'tcx> for StaticMutVisitor<'a, 'tcx> {
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tys.clear();
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}
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},
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Assign(ref target, _) | AssignOp(_, ref target, _) | AddrOf(_, hir::Mutability::Mut, ref target) => {
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Assign(ref target, ..) | AssignOp(_, ref target, _) | AddrOf(_, hir::Mutability::Mut, ref target) => {
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self.mutates_static |= is_mutated_static(self.cx, target)
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},
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_ => {},
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@ -169,7 +169,7 @@ fn check_assign<'a, 'tcx>(
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if block.expr.is_none();
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if let Some(expr) = block.stmts.iter().last();
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if let hir::StmtKind::Semi(ref expr) = expr.kind;
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if let hir::ExprKind::Assign(ref var, ref value) = expr.kind;
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if let hir::ExprKind::Assign(ref var, ref value, _) = expr.kind;
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if let hir::ExprKind::Path(ref qpath) = var.kind;
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if let Res::Local(local_id) = qpath_res(cx, qpath, var.hir_id);
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if decl == local_id;
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@ -682,7 +682,7 @@ fn never_loop_expr(expr: &Expr, main_loop_id: HirId) -> NeverLoopResult {
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},
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ExprKind::Call(ref e, ref es) => never_loop_expr_all(&mut once(&**e).chain(es.iter()), main_loop_id),
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ExprKind::Binary(_, ref e1, ref e2)
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| ExprKind::Assign(ref e1, ref e2)
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| ExprKind::Assign(ref e1, ref e2, _)
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| ExprKind::AssignOp(_, ref e1, ref e2)
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| ExprKind::Index(ref e1, ref e2) => never_loop_expr_all(&mut [&**e1, &**e2].iter().cloned(), main_loop_id),
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ExprKind::Loop(ref b, _, _) => {
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@ -887,7 +887,7 @@ fn get_indexed_assignments<'a, 'tcx>(
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e: &Expr,
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var: HirId,
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) -> Option<(FixedOffsetVar, FixedOffsetVar)> {
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if let ExprKind::Assign(ref lhs, ref rhs) = e.kind {
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if let ExprKind::Assign(ref lhs, ref rhs, _) = e.kind {
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match (
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get_fixed_offset_var(cx, lhs, var),
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fetch_cloned_fixed_offset_var(cx, rhs, var),
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@ -1861,7 +1861,7 @@ impl<'a, 'tcx> Visitor<'tcx> for VarVisitor<'a, 'tcx> {
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let old = self.prefer_mutable;
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match expr.kind {
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ExprKind::AssignOp(_, ref lhs, ref rhs) | ExprKind::Assign(ref lhs, ref rhs) => {
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ExprKind::AssignOp(_, ref lhs, ref rhs) | ExprKind::Assign(ref lhs, ref rhs, _) => {
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self.prefer_mutable = true;
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self.visit_expr(lhs);
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self.prefer_mutable = false;
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@ -2083,7 +2083,7 @@ impl<'a, 'tcx> Visitor<'tcx> for IncrementVisitor<'a, 'tcx> {
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}
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}
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},
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ExprKind::Assign(ref lhs, _) if lhs.hir_id == expr.hir_id => *state = VarState::DontWarn,
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ExprKind::Assign(ref lhs, _, _) if lhs.hir_id == expr.hir_id => *state = VarState::DontWarn,
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ExprKind::AddrOf(BorrowKind::Ref, mutability, _) if mutability == Mutability::Mut => {
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*state = VarState::DontWarn
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},
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@ -2161,7 +2161,7 @@ impl<'a, 'tcx> Visitor<'tcx> for InitializeVisitor<'a, 'tcx> {
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ExprKind::AssignOp(_, ref lhs, _) if lhs.hir_id == expr.hir_id => {
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self.state = VarState::DontWarn;
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},
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ExprKind::Assign(ref lhs, ref rhs) if lhs.hir_id == expr.hir_id => {
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ExprKind::Assign(ref lhs, ref rhs, _) if lhs.hir_id == expr.hir_id => {
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self.state = if is_integer_const(&self.cx, rhs, 0) && self.depth == 0 {
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VarState::Warn
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} else {
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@ -2303,7 +2303,7 @@ impl<'tcx> Visitor<'tcx> for LoopNestVisitor {
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return;
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}
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match expr.kind {
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ExprKind::Assign(ref path, _) | ExprKind::AssignOp(_, ref path, _) => {
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ExprKind::Assign(ref path, _, _) | ExprKind::AssignOp(_, ref path, _) => {
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if match_var(path, self.iterator) {
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self.nesting = RuledOut;
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}
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@ -590,7 +590,9 @@ fn check_to_owned(cx: &LateContext<'_, '_>, expr: &Expr, other: &Expr) {
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fn is_used(cx: &LateContext<'_, '_>, expr: &Expr) -> bool {
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if let Some(parent) = get_parent_expr(cx, expr) {
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match parent.kind {
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ExprKind::Assign(_, ref rhs) | ExprKind::AssignOp(_, _, ref rhs) => SpanlessEq::new(cx).eq_expr(rhs, expr),
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ExprKind::Assign(_, ref rhs, _) | ExprKind::AssignOp(_, _, ref rhs) => {
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SpanlessEq::new(cx).eq_expr(rhs, expr)
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},
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_ => is_used(cx, parent),
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}
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} else {
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@ -451,7 +451,7 @@ impl EarlyLintPass for MiscEarlyLints {
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if let ExprKind::Closure(..) = t.kind;
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if let PatKind::Ident(_, ident, _) = local.pat.kind;
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if let StmtKind::Semi(ref second) = w[1].kind;
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if let ExprKind::Assign(_, ref call) = second.kind;
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if let ExprKind::Assign(_, ref call, _) = second.kind;
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if let ExprKind::Call(ref closure, _) = call.kind;
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if let ExprKind::Path(_, ref path) = closure.kind;
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then {
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@ -63,7 +63,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for SlowVectorInit {
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fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
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// Matches initialization on reassignements. For example: `vec = Vec::with_capacity(100)`
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if_chain! {
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if let ExprKind::Assign(ref left, ref right) = expr.kind;
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if let ExprKind::Assign(ref left, ref right, _) = expr.kind;
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// Extract variable name
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if let ExprKind::Path(QPath::Resolved(_, ref path)) = left.kind;
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@ -96,7 +96,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for StringAdd {
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if !is_allowed(cx, STRING_ADD_ASSIGN, e.hir_id) {
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let parent = get_parent_expr(cx, e);
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if let Some(p) = parent {
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if let ExprKind::Assign(ref target, _) = p.kind {
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if let ExprKind::Assign(ref target, _, _) = p.kind {
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// avoid duplicate matches
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if SpanlessEq::new(cx).eq_expr(target, left) {
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return;
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@ -111,7 +111,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for StringAdd {
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"you added something to a string. Consider using `String::push_str()` instead",
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);
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}
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} else if let ExprKind::Assign(ref target, ref src) = e.kind {
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} else if let ExprKind::Assign(ref target, ref src, _) = e.kind {
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if is_string(cx, target) && is_add(cx, src, target) {
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span_lint(
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cx,
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@ -86,11 +86,11 @@ fn check_manual_swap(cx: &LateContext<'_, '_>, block: &Block) {
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// foo() = bar();
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if let StmtKind::Semi(ref first) = w[1].kind;
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if let ExprKind::Assign(ref lhs1, ref rhs1) = first.kind;
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if let ExprKind::Assign(ref lhs1, ref rhs1, _) = first.kind;
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// bar() = t;
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if let StmtKind::Semi(ref second) = w[2].kind;
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if let ExprKind::Assign(ref lhs2, ref rhs2) = second.kind;
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if let ExprKind::Assign(ref lhs2, ref rhs2, _) = second.kind;
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if let ExprKind::Path(QPath::Resolved(None, ref rhs2)) = rhs2.kind;
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if rhs2.segments.len() == 1;
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@ -222,8 +222,8 @@ fn check_suspicious_swap(cx: &LateContext<'_, '_>, block: &Block) {
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if let StmtKind::Semi(ref first) = w[0].kind;
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if let StmtKind::Semi(ref second) = w[1].kind;
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if !differing_macro_contexts(first.span, second.span);
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if let ExprKind::Assign(ref lhs0, ref rhs0) = first.kind;
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if let ExprKind::Assign(ref lhs1, ref rhs1) = second.kind;
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if let ExprKind::Assign(ref lhs0, ref rhs0, _) = first.kind;
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if let ExprKind::Assign(ref lhs1, ref rhs1, _) = second.kind;
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if SpanlessEq::new(cx).ignore_fn().eq_expr(lhs0, rhs1);
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if SpanlessEq::new(cx).ignore_fn().eq_expr(lhs1, rhs0);
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then {
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@ -42,7 +42,7 @@ declare_lint_pass!(TemporaryAssignment => [TEMPORARY_ASSIGNMENT]);
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impl<'a, 'tcx> LateLintPass<'a, 'tcx> for TemporaryAssignment {
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fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
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if let ExprKind::Assign(target, _) = &expr.kind {
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if let ExprKind::Assign(target, ..) = &expr.kind {
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let mut base = target;
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while let ExprKind::Field(f, _) | ExprKind::Index(f, _) = &base.kind {
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base = f;
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@ -380,10 +380,13 @@ impl<'tcx> Visitor<'tcx> for PrintVisitor {
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self.current = block_pat;
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self.visit_block(block);
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},
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ExprKind::Assign(ref target, ref value) => {
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ExprKind::Assign(ref target, ref value, _) => {
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let target_pat = self.next("target");
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let value_pat = self.next("value");
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println!("Assign(ref {}, ref {}) = {};", target_pat, value_pat, current);
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println!(
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"Assign(ref {}, ref {}, ref _span) = {};",
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target_pat, value_pat, current
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);
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self.current = target_pat;
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self.visit_expr(target);
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self.current = value_pat;
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@ -84,7 +84,7 @@ impl<'a, 'tcx> SpanlessEq<'a, 'tcx> {
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(&ExprKind::Continue(li), &ExprKind::Continue(ri)) => {
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both(&li.label, &ri.label, |l, r| l.ident.as_str() == r.ident.as_str())
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},
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(&ExprKind::Assign(ref ll, ref lr), &ExprKind::Assign(ref rl, ref rr)) => {
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(&ExprKind::Assign(ref ll, ref lr, _), &ExprKind::Assign(ref rl, ref rr, _)) => {
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self.eq_expr(ll, rl) && self.eq_expr(lr, rr)
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},
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(&ExprKind::AssignOp(ref lo, ref ll, ref lr), &ExprKind::AssignOp(ref ro, ref rl, ref rr)) => {
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@ -412,7 +412,7 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> {
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self.hash_name(i.ident.name);
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}
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},
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ExprKind::Assign(ref l, ref r) => {
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ExprKind::Assign(ref l, ref r, _) => {
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self.hash_expr(l);
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self.hash_expr(r);
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},
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@ -229,7 +229,7 @@ fn print_expr(cx: &LateContext<'_, '_>, expr: &hir::Expr, indent: usize) {
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hir::ExprKind::Block(_, _) => {
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println!("{}Block", ind);
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},
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hir::ExprKind::Assign(ref lhs, ref rhs) => {
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hir::ExprKind::Assign(ref lhs, ref rhs, _) => {
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println!("{}Assign", ind);
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println!("{}lhs:", ind);
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print_expr(cx, lhs, indent + 1);
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@ -395,7 +395,7 @@ fn check_tts<'a>(cx: &EarlyContext<'a>, tts: &TokenStream, is_write: bool) -> (O
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}
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idx += 1;
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},
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ExprKind::Assign(lhs, rhs) => {
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ExprKind::Assign(lhs, rhs, _) => {
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if let ExprKind::Lit(_) = rhs.kind {
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if let ExprKind::Path(_, p) = &lhs.kind {
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let mut all_simple = true;
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@ -26,7 +26,7 @@ if_chain! {
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if let ExprKind::Path(ref path3) = inner.kind;
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if match_qpath(path3, &["iter"]);
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if arms1.len() == 2;
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if let ExprKind::Assign(ref target, ref value) = arms1[0].body.kind;
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if let ExprKind::Assign(ref target, ref value, ref _span) = arms1[0].body.kind;
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if let ExprKind::Path(ref path4) = target.kind;
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if match_qpath(path4, &["__next"]);
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if let ExprKind::Path(ref path5) = value.kind;
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@ -41,8 +41,6 @@ fn generic<T>(t: T) -> T {
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t
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}
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// FIXME: Depends on the `const_transmute` and `const_fn` feature gates.
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// In the future Clippy should be able to suggest this as const, too.
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fn sub(x: u32) -> usize {
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unsafe { transmute(&x) }
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}
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@ -50,12 +50,20 @@ LL | | }
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| |_^
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error: this could be a const_fn
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--> $DIR/could_be_const.rs:65:9
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--> $DIR/could_be_const.rs:44:1
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LL | / fn sub(x: u32) -> usize {
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LL | | unsafe { transmute(&x) }
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LL | | }
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| |_^
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error: this could be a const_fn
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--> $DIR/could_be_const.rs:63:9
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LL | / pub fn b(self, a: &A) -> B {
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LL | | B
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LL | | }
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| |_________^
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error: aborting due to 7 previous errors
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error: aborting due to 8 previous errors
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