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avoid converting types into themselves via .into() (clippy::useless-conversion)

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example: let x: String = String::from("hello world").into();
This commit is contained in:
Matthias Krüger 2021-03-17 01:27:56 +01:00
parent 83e6940efb
commit 966c23f529
24 changed files with 56 additions and 61 deletions
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18
crates/hir_ty/src/diagnostics/expr.rs
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@ -44,7 +44,7 @@ impl<'a, 'b> ExprValidator<'a, 'b> {
pub(super) fn validate_body(&mut self, db: &dyn HirDatabase) {
self.check_for_filter_map_next(db);
let body = db.body(self.owner.into());
let body = db.body(self.owner);
for (id, expr) in body.exprs.iter() {
if let Some((variant_def, missed_fields, true)) =
@ -98,7 +98,7 @@ impl<'a, 'b> ExprValidator<'a, 'b> {
missed_fields: Vec<LocalFieldId>,
) {
// XXX: only look at source_map if we do have missing fields
let (_, source_map) = db.body_with_source_map(self.owner.into());
let (_, source_map) = db.body_with_source_map(self.owner);
if let Ok(source_ptr) = source_map.expr_syntax(id) {
let root = source_ptr.file_syntax(db.upcast());
@ -128,7 +128,7 @@ impl<'a, 'b> ExprValidator<'a, 'b> {
missed_fields: Vec<LocalFieldId>,
) {
// XXX: only look at source_map if we do have missing fields
let (_, source_map) = db.body_with_source_map(self.owner.into());
let (_, source_map) = db.body_with_source_map(self.owner);
if let Ok(source_ptr) = source_map.pat_syntax(id) {
if let Some(expr) = source_ptr.value.as_ref().left() {
@ -175,7 +175,7 @@ impl<'a, 'b> ExprValidator<'a, 'b> {
};
// Search function body for instances of .filter_map(..).next()
let body = db.body(self.owner.into());
let body = db.body(self.owner);
let mut prev = None;
for (id, expr) in body.exprs.iter() {
if let Expr::MethodCall { receiver, .. } = expr {
@ -192,7 +192,7 @@ impl<'a, 'b> ExprValidator<'a, 'b> {
if function_id == *next_function_id {
if let Some(filter_map_id) = prev {
if *receiver == filter_map_id {
let (_, source_map) = db.body_with_source_map(self.owner.into());
let (_, source_map) = db.body_with_source_map(self.owner);
if let Ok(next_source_ptr) = source_map.expr_syntax(id) {
self.sink.push(ReplaceFilterMapNextWithFindMap {
file: next_source_ptr.file_id,
@ -262,7 +262,7 @@ impl<'a, 'b> ExprValidator<'a, 'b> {
let mut arg_count = args.len();
if arg_count != param_count {
let (_, source_map) = db.body_with_source_map(self.owner.into());
let (_, source_map) = db.body_with_source_map(self.owner);
if let Ok(source_ptr) = source_map.expr_syntax(call_id) {
if is_method_call {
param_count -= 1;
@ -287,7 +287,7 @@ impl<'a, 'b> ExprValidator<'a, 'b> {
infer: Arc<InferenceResult>,
) {
let (body, source_map): (Arc<Body>, Arc<BodySourceMap>) =
db.body_with_source_map(self.owner.into());
db.body_with_source_map(self.owner);
let match_expr_ty = if infer.type_of_expr[match_expr].is_unknown() {
return;
@ -393,7 +393,7 @@ impl<'a, 'b> ExprValidator<'a, 'b> {
};
if params.len() > 0 && params[0] == mismatch.actual {
let (_, source_map) = db.body_with_source_map(self.owner.into());
let (_, source_map) = db.body_with_source_map(self.owner);
if let Ok(source_ptr) = source_map.expr_syntax(id) {
self.sink.push(MissingOkOrSomeInTailExpr {
@ -425,7 +425,7 @@ impl<'a, 'b> ExprValidator<'a, 'b> {
return;
}
let (_, source_map) = db.body_with_source_map(self.owner.into());
let (_, source_map) = db.body_with_source_map(self.owner);
if let Ok(source_ptr) = source_map.expr_syntax(possible_tail_id) {
self.sink