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unnecessary_owned_empty_string -> unnecessary_owned_empty_strings

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This commit is contained in:
Yoav Lavi 2022-04-11 13:05:42 +02:00
parent a4d1837f07
commit 10201370a1
9 changed files with 16 additions and 16 deletions
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2
CHANGELOG.md
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@ -3650,7 +3650,7 @@ Released 2018-09-13
[`unnecessary_lazy_evaluations`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations
[`unnecessary_mut_passed`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[`unnecessary_operation`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation
[`unnecessary_owned_empty_string`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_owned_empty_string
[`unnecessary_owned_empty_strings`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_owned_empty_strings
[`unnecessary_self_imports`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_self_imports
[`unnecessary_sort_by`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[`unnecessary_to_owned`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_to_owned

2
clippy_lints/src/lib.register_all.rs
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@ -310,7 +310,7 @@ store.register_group(true, "clippy::all", Some("clippy_all"), vec![
LintId::of(unit_types::UNIT_CMP),
LintId::of(unnamed_address::FN_ADDRESS_COMPARISONS),
LintId::of(unnamed_address::VTABLE_ADDRESS_COMPARISONS),
LintId::of(unnecessary_owned_empty_string::UNNECESSARY_OWNED_EMPTY_STRING),
LintId::of(unnecessary_owned_empty_strings::UNNECESSARY_OWNED_EMPTY_STRINGS),
LintId::of(unnecessary_sort_by::UNNECESSARY_SORT_BY),
LintId::of(unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME),
LintId::of(unused_io_amount::UNUSED_IO_AMOUNT),

2
clippy_lints/src/lib.register_lints.rs
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@ -523,7 +523,7 @@ store.register_lints(&[
unit_types::UNIT_CMP,
unnamed_address::FN_ADDRESS_COMPARISONS,
unnamed_address::VTABLE_ADDRESS_COMPARISONS,
unnecessary_owned_empty_string::UNNECESSARY_OWNED_EMPTY_STRING,
unnecessary_owned_empty_strings::UNNECESSARY_OWNED_EMPTY_STRINGS,
unnecessary_self_imports::UNNECESSARY_SELF_IMPORTS,
unnecessary_sort_by::UNNECESSARY_SORT_BY,
unnecessary_wraps::UNNECESSARY_WRAPS,

2
clippy_lints/src/lib.register_style.rs
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@ -106,7 +106,7 @@ store.register_group(true, "clippy::style", Some("clippy_style"), vec![
LintId::of(single_component_path_imports::SINGLE_COMPONENT_PATH_IMPORTS),
LintId::of(tabs_in_doc_comments::TABS_IN_DOC_COMMENTS),
LintId::of(to_digit_is_some::TO_DIGIT_IS_SOME),
LintId::of(unnecessary_owned_empty_string::UNNECESSARY_OWNED_EMPTY_STRING),
LintId::of(unnecessary_owned_empty_strings::UNNECESSARY_OWNED_EMPTY_STRINGS),
LintId::of(unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME),
LintId::of(unused_unit::UNUSED_UNIT),
LintId::of(upper_case_acronyms::UPPER_CASE_ACRONYMS),

4
clippy_lints/src/lib.rs
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@ -383,7 +383,7 @@ mod unit_hash;
mod unit_return_expecting_ord;
mod unit_types;
mod unnamed_address;
mod unnecessary_owned_empty_string;
mod unnecessary_owned_empty_strings;
mod unnecessary_self_imports;
mod unnecessary_sort_by;
mod unnecessary_wraps;
@ -869,7 +869,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
});
store.register_early_pass(|| Box::new(crate_in_macro_def::CrateInMacroDef));
store.register_early_pass(|| Box::new(empty_structs_with_brackets::EmptyStructsWithBrackets));
store.register_late_pass(|| Box::new(unnecessary_owned_empty_string::UnnecessaryOwnedEmptyString));
store.register_late_pass(|| Box::new(unnecessary_owned_empty_strings::UnnecessaryOwnedEmptyStrings));
// add lints here, do not remove this comment, it's used in `new_lint`
}

10
clippy_lints/src/unnecessary_owned_empty_string.rs → clippy_lints/src/unnecessary_owned_empty_strings.rs
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@ -27,13 +27,13 @@ declare_clippy_lint! {
/// vec!["1", "2", "3"].join("");
/// ```
#[clippy::version = "1.62.0"]
pub UNNECESSARY_OWNED_EMPTY_STRING,
pub UNNECESSARY_OWNED_EMPTY_STRINGS,
style,
"detects cases of references to owned empty strings being passed as an argument to a function expecting `&str`"
}
declare_lint_pass!(UnnecessaryOwnedEmptyString => [UNNECESSARY_OWNED_EMPTY_STRING]);
declare_lint_pass!(UnnecessaryOwnedEmptyStrings => [UNNECESSARY_OWNED_EMPTY_STRINGS]);
impl<'tcx> LateLintPass<'tcx> for UnnecessaryOwnedEmptyString {
impl<'tcx> LateLintPass<'tcx> for UnnecessaryOwnedEmptyStrings {
fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) {
if_chain! {
if let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, inner_expr) = expr.kind;
@ -46,7 +46,7 @@ impl<'tcx> LateLintPass<'tcx> for UnnecessaryOwnedEmptyString {
if match_def_path(cx, fun_def_id, &paths::STRING_NEW) {
span_lint_and_sugg(
cx,
UNNECESSARY_OWNED_EMPTY_STRING,
UNNECESSARY_OWNED_EMPTY_STRINGS,
expr.span,
"usage of `&String::new()` for a function expecting a `&str` argument",
"try",
@ -65,7 +65,7 @@ impl<'tcx> LateLintPass<'tcx> for UnnecessaryOwnedEmptyString {
then {
span_lint_and_sugg(
cx,
UNNECESSARY_OWNED_EMPTY_STRING,
UNNECESSARY_OWNED_EMPTY_STRINGS,
expr.span,
"usage of `&String::from(\"\")` for a function expecting a `&str` argument",
"try",

2
tests/ui/unnecessary_owned_empty_string.fixed → tests/ui/unnecessary_owned_empty_strings.fixed
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@ -1,6 +1,6 @@
// run-rustfix
#![warn(clippy::unnecessary_owned_empty_string)]
#![warn(clippy::unnecessary_owned_empty_strings)]
fn ref_str_argument(_value: &str) {}

2
tests/ui/unnecessary_owned_empty_string.rs → tests/ui/unnecessary_owned_empty_strings.rs
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@ -1,6 +1,6 @@
// run-rustfix
#![warn(clippy::unnecessary_owned_empty_string)]
#![warn(clippy::unnecessary_owned_empty_strings)]
fn ref_str_argument(_value: &str) {}

6
tests/ui/unnecessary_owned_empty_string.stderr → tests/ui/unnecessary_owned_empty_strings.stderr
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@ -1,13 +1,13 @@
error: usage of `&String::new()` for a function expecting a `&str` argument
--> $DIR/unnecessary_owned_empty_string.rs:12:22
--> $DIR/unnecessary_owned_empty_strings.rs:12:22
|
LL | ref_str_argument(&String::new());
| ^^^^^^^^^^^^^^ help: try: `""`
|
= note: `-D clippy::unnecessary-owned-empty-string` implied by `-D warnings`
= note: `-D clippy::unnecessary-owned-empty-strings` implied by `-D warnings`
error: usage of `&String::from("")` for a function expecting a `&str` argument
--> $DIR/unnecessary_owned_empty_string.rs:15:22
--> $DIR/unnecessary_owned_empty_strings.rs:15:22
|
LL | ref_str_argument(&String::from(""));
| ^^^^^^^^^^^^^^^^^ help: try: `""`