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fix code

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This commit is contained in:
tamaron 2022-02-01 13:43:39 +09:00
parent 7bb69c0ae0
commit 0e1cbc5cd1
1 changed files with 10 additions and 7 deletions
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17
clippy_lints/src/loops/utils.rs
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@ -7,7 +7,7 @@ use rustc_hir::intravisit::{walk_expr, walk_local, walk_pat, walk_stmt, Visitor}
use rustc_hir::{BinOpKind, BorrowKind, Expr, ExprKind, HirId, HirIdMap, Local, Mutability, Pat, PatKind, Stmt};
use rustc_lint::LateContext;
use rustc_middle::hir::nested_filter;
use rustc_middle::ty::Ty;
use rustc_middle::ty::{self, Ty};
use rustc_span::source_map::Spanned;
use rustc_span::symbol::{sym, Symbol};
use rustc_typeck::hir_ty_to_ty;
@ -332,17 +332,20 @@ pub(super) fn make_iterator_snippet(cx: &LateContext<'_>, arg: &Expr<'_>, applic
} else {
// (&x).into_iter() ==> x.iter()
// (&mut x).into_iter() ==> x.iter_mut()
match &arg.kind {
ExprKind::AddrOf(BorrowKind::Ref, mutability, arg_inner)
if has_iter_method(cx, cx.typeck_results().expr_ty(arg_inner)).is_some() =>
{
let meth_name = match mutability {
let arg_ty = cx.typeck_results().expr_ty_adjusted(arg);
match &arg_ty.kind() {
ty::Ref(_, inner_ty, mutbl) if has_iter_method(cx, inner_ty).is_some() => {
let meth_name = match mutbl {
Mutability::Mut => "iter_mut",
Mutability::Not => "iter",
};
let caller = match &arg.kind {
ExprKind::AddrOf(BorrowKind::Ref, _, arg_inner) => arg_inner,
_ => arg,
};
format!(
"{}.{}()",
sugg::Sugg::hir_with_applicability(cx, arg_inner, "_", applic_ref).maybe_par(),
sugg::Sugg::hir_with_applicability(cx, caller, "_", applic_ref).maybe_par(),
meth_name,
)
},