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Use is_str instead of string kind comparison

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This commit is contained in:
Michael Goulet 2023-02-13 18:33:44 +00:00
parent b3077fbc09
commit 4b8f112d09
7 changed files with 10 additions and 11 deletions
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4
clippy_lints/src/methods/expect_fun_call.rs
View file

@ -33,7 +33,7 @@ pub(super) fn check<'tcx>(
if (method_name.ident.name == sym::as_str || method_name.ident.name == sym::as_ref) && {
let arg_type = cx.typeck_results().expr_ty(receiver);
let base_type = arg_type.peel_refs();
*base_type.kind() == ty::Str || is_type_lang_item(cx, base_type, hir::LangItem::String)
base_type.is_str() || is_type_lang_item(cx, base_type, hir::LangItem::String)
} {
receiver
} else {
@ -54,7 +54,7 @@ pub(super) fn check<'tcx>(
return false;
}
if let ty::Ref(_, ty, ..) = arg_ty.kind() {
if *ty.kind() == ty::Str && can_be_static_str(cx, arg) {
if ty.is_str() && can_be_static_str(cx, arg) {
return false;
}
};

3
clippy_lints/src/methods/search_is_some.rs
View file

@ -8,7 +8,6 @@ use rustc_errors::Applicability;
use rustc_hir as hir;
use rustc_hir::PatKind;
use rustc_lint::LateContext;
use rustc_middle::ty;
use rustc_span::source_map::Span;
use rustc_span::symbol::sym;
@ -108,7 +107,7 @@ pub(super) fn check<'tcx>(
if is_type_lang_item(cx, self_ty, hir::LangItem::String) {
true
} else {
*self_ty.kind() == ty::Str
self_ty.is_str()
}
};
if_chain! {

2
clippy_lints/src/methods/single_char_pattern.rs
View file

@ -47,7 +47,7 @@ pub(super) fn check(
for &(method, pos) in &PATTERN_METHODS {
if_chain! {
if let ty::Ref(_, ty, _) = cx.typeck_results().expr_ty_adjusted(receiver).kind();
if *ty.kind() == ty::Str;
if ty.is_str();
if method_name.as_str() == method && args.len() > pos;
let arg = &args[pos];
let mut applicability = Applicability::MachineApplicable;

3
clippy_lints/src/methods/string_extend_chars.rs
View file

@ -5,7 +5,6 @@ use clippy_utils::ty::is_type_lang_item;
use rustc_errors::Applicability;
use rustc_hir as hir;
use rustc_lint::LateContext;
use rustc_middle::ty;
use super::STRING_EXTEND_CHARS;
@ -17,7 +16,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, recv: &hir::Expr
if let Some(arglists) = method_chain_args(arg, &["chars"]) {
let target = &arglists[0].0;
let self_ty = cx.typeck_results().expr_ty(target).peel_refs();
let ref_str = if *self_ty.kind() == ty::Str {
let ref_str = if self_ty.is_str() {
if matches!(target.kind, hir::ExprKind::Index(..)) {
"&"
} else {

4
clippy_lints/src/strings.rs
View file

@ -190,7 +190,7 @@ impl<'tcx> LateLintPass<'tcx> for StringAdd {
},
ExprKind::Index(target, _idx) => {
let e_ty = cx.typeck_results().expr_ty(target).peel_refs();
if matches!(e_ty.kind(), ty::Str) || is_type_lang_item(cx, e_ty, LangItem::String) {
if e_ty.is_str() || is_type_lang_item(cx, e_ty, LangItem::String) {
span_lint(
cx,
STRING_SLICE,
@ -407,7 +407,7 @@ impl<'tcx> LateLintPass<'tcx> for StrToString {
if path.ident.name == sym::to_string;
let ty = cx.typeck_results().expr_ty(self_arg);
if let ty::Ref(_, ty, ..) = ty.kind();
if *ty.kind() == ty::Str;
if ty.is_str();
then {
span_lint_and_help(
cx,

3
clippy_lints/src/transmute/transmute_ref_to_ref.rs
View file

@ -22,7 +22,8 @@ pub(super) fn check<'tcx>(
if let (ty::Ref(_, ty_from, from_mutbl), ty::Ref(_, ty_to, to_mutbl)) = (&from_ty.kind(), &to_ty.kind()) {
if_chain! {
if let (&ty::Slice(slice_ty), &ty::Str) = (&ty_from.kind(), &ty_to.kind());
if let ty::Slice(slice_ty) = *ty_from.kind();
if ty_to.is_str();
if let ty::Uint(ty::UintTy::U8) = slice_ty.kind();
if from_mutbl == to_mutbl;
then {

2
clippy_utils/src/ty.rs
View file

@ -346,7 +346,7 @@ pub fn is_non_aggregate_primitive_type(ty: Ty<'_>) -> bool {
pub fn is_recursively_primitive_type(ty: Ty<'_>) -> bool {
match *ty.kind() {
ty::Bool | ty::Char | ty::Int(_) | ty::Uint(_) | ty::Float(_) | ty::Str => true,
ty::Ref(_, inner, _) if *inner.kind() == ty::Str => true,
ty::Ref(_, inner, _) if inner.is_str() => true,
ty::Array(inner_type, _) | ty::Slice(inner_type) => is_recursively_primitive_type(inner_type),
ty::Tuple(inner_types) => inner_types.iter().all(is_recursively_primitive_type),
_ => false,