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flip1995 2018-09-14 12:39:15 +02:00
parent a4e1a90705
commit 144281c537
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1 changed files with 13 additions and 9 deletions
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22
clippy_lints/src/utils/internal_lints.rs
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@ -25,7 +25,6 @@ declare_clippy_lint! {
"various things that will negatively affect your clippy experience"
}
/// **What it does:** Ensures every lint is associated to a `LintPass`.
///
/// **Why is this bad?** The compiler only knows lints via a `LintPass`. Without
@ -55,7 +54,6 @@ declare_clippy_lint! {
"declaring a lint without associating it in a LintPass"
}
/// **What it does:** Checks for the presence of the default hash types "HashMap" or "HashSet"
/// and recommends the FxHash* variants.
///
@ -144,7 +142,6 @@ pub struct LintWithoutLintPass {
registered_lints: FxHashSet<Name>,
}
impl LintPass for LintWithoutLintPass {
fn get_lints(&self) -> LintArray {
lint_array!(LINT_WITHOUT_LINT_PASS)
@ -196,7 +193,6 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for LintWithoutLintPass {
}
}
fn is_lint_ref_type(ty: &Ty) -> bool {
if let TyKind::Rptr(
_,
@ -213,7 +209,6 @@ fn is_lint_ref_type(ty: &Ty) -> bool {
false
}
fn is_lint_array_type(ty: &Ty) -> bool {
if let TyKind::Path(ref path) = ty.node {
match_qpath(path, &paths::LINT_ARRAY)
@ -249,8 +244,8 @@ pub struct DefaultHashTypes {
impl DefaultHashTypes {
pub fn default() -> Self {
let mut map = FxHashMap::default();
map.insert("HashMap".to_owned(), "FxHashMap".to_owned());
map.insert("HashSet".to_owned(), "FxHashSet".to_owned());
map.insert("HashMap".to_string(), "FxHashMap".to_string());
map.insert("HashSet".to_string(), "FxHashSet".to_string());
Self { map }
}
}
@ -265,8 +260,17 @@ impl EarlyLintPass for DefaultHashTypes {
fn check_ident(&mut self, cx: &EarlyContext<'_>, ident: Ident) {
let ident_string = ident.to_string();
if let Some(replace) = self.map.get(&ident_string) {
let msg = format!("Prefer {} over {}, it has better performance and we don't need any collision prevention in clippy", replace, ident_string);
span_lint_and_sugg(cx, DEFAULT_HASH_TYPES, ident.span, &msg, "use", replace.to_owned());
let msg = format!("Prefer {} over {}, it has better performance \
and we don't need any collision prevention in clippy",
replace, ident_string);
span_lint_and_sugg(
cx,
DEFAULT_HASH_TYPES,
ident.span,
&msg,
"use",
replace.to_string(),
);
}
}
}