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cargo fmt

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This commit is contained in:
Philipp Hansch 2019-03-08 09:44:22 +01:00
parent 5c9221f880
commit 9494f22f06
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GPG Key ID: B6FA06A6E0E2665B
1 changed files with 13 additions and 7 deletions
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20
clippy_lints/src/assign_ops.rs
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@ -68,7 +68,9 @@ fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx hir::Expr) {
match &expr.node {
hir::ExprKind::AssignOp(op, lhs, rhs) => {
if let hir::ExprKind::Binary(binop, l, r) = &rhs.node {
if op.node != binop.node { return; }
if op.node != binop.node {
return;
}
// lhs op= l op r
if SpanlessEq::new(cx).ignore_fn().eq_expr(lhs, l) {
lint_misrefactored_assign_op(cx, expr, *op, rhs, lhs, r);
@ -196,20 +198,24 @@ macro_rules! ops {
}
}
fn lint_misrefactored_assign_op(cx: &LateContext<'_, '_>, expr: &hir::Expr, op: hir::BinOp, rhs: &hir::Expr, assignee: &hir::Expr, rhs_other: &hir::Expr) {
fn lint_misrefactored_assign_op(
cx: &LateContext<'_, '_>,
expr: &hir::Expr,
op: hir::BinOp,
rhs: &hir::Expr,
assignee: &hir::Expr,
rhs_other: &hir::Expr,
) {
span_lint_and_then(
cx,
MISREFACTORED_ASSIGN_OP,
expr.span,
"variable appears on both sides of an assignment operation",
|db| {
if let (Some(snip_a), Some(snip_r)) =
(snippet_opt(cx, assignee.span), snippet_opt(cx, rhs_other.span))
{
if let (Some(snip_a), Some(snip_r)) = (snippet_opt(cx, assignee.span), snippet_opt(cx, rhs_other.span)) {
let a = &sugg::Sugg::hir(cx, assignee, "..");
let r = &sugg::Sugg::hir(cx, rhs, "..");
let long =
format!("{} = {}", snip_a, sugg::make_binop(higher::binop(op.node), a, r));
let long = format!("{} = {}", snip_a, sugg::make_binop(higher::binop(op.node), a, r));
db.span_suggestion(
expr.span,
&format!(