clippy

src/args.rs

@@ -173,6 +173,7 @@ impl CallArgs {
         let len = self.len();
         if len > max {
             let mut err = String::with_capacity(50);
+            #[allow(clippy::format_push_string)]
             err.push_str(&format!("Only {} argument", max));
             if max != 1 {
                 err.push('s');

src/common.rs

@@ -172,7 +172,7 @@ pub(crate) fn unvendor(name: &str) -> &str {
         return name;
     }
 
-    if bytes.get(0_usize) != Some(&b'-') || bytes.get(1_usize) == Some(&b'-') {
+    if bytes.first() != Some(&b'-') || bytes.get(1_usize) == Some(&b'-') {
         return name;
     }
 

src/interner.rs

@@ -24,9 +24,7 @@ impl InternedString {
     }
 
     pub fn resolve_ref<'a>(self) -> &'a str {
-        unsafe {
+        unsafe { STRINGS.with(|interner| interner.as_ptr().as_ref().unwrap().resolve(&self.0)) }
-            STRINGS.with(|interner| &(*(interner.as_ptr()).as_ref().unwrap().resolve(&self.0)))
-        }
     }
 }
 

src/lib.rs

@@ -23,76 +23,38 @@ grass input.scss
 ```
 */
 
-#![warn(
+#![warn(clippy::all, clippy::pedantic, clippy::nursery, clippy::cargo)]
-    clippy::all,
-    clippy::restriction,
-    clippy::pedantic,
-    clippy::nursery,
-    clippy::cargo
-)]
 #![deny(missing_debug_implementations)]
 #![allow(
-    // explicit return makes some things look ugly
-    clippy::implicit_return,
     clippy::use_self,
     clippy::missing_docs_in_private_items,
     clippy::unreachable,
-    // this disallows binding as well, e.g. `v => ...`
-    clippy::wildcard_enum_match_arm,
     clippy::module_name_repetitions,
-    // it is sometimes useful to break up `impl`s
-    clippy::multiple_inherent_impl,
     // filter isn't fallible
     clippy::manual_filter_map,
-    clippy::else_if_without_else,
     clippy::new_ret_no_self,
     renamed_and_removed_lints,
     clippy::unknown_clippy_lints,
     clippy::single_match,
-    clippy::float_arithmetic,
     clippy::unimplemented,
-    clippy::pattern_type_mismatch,
-    clippy::blanket_clippy_restriction_lints,
     clippy::option_if_let_else,
-    clippy::panic_in_result_fn,
-    clippy::unwrap_in_result,
-    clippy::map_err_ignore,
-    clippy::default_numeric_fallback,
-    clippy::if_then_some_else_none,
-    clippy::string_slice,
-    clippy::separated_literal_suffix,
-    clippy::non_ascii_literal,
-    clippy::same_name_method,
-    clippy::undocumented_unsafe_blocks,
-    clippy::exhaustive_structs,
-    clippy::single_char_lifetime_names,
     clippy::branches_sharing_code,
+    clippy::derive_partial_eq_without_eq,
 
     // temporarily allowed while under heavy development.
     // eventually these allows should be refactored away
     // to no longer be necessary
-    clippy::as_conversions,
-    clippy::todo,
     clippy::too_many_lines,
-    clippy::panic,
-    clippy::unwrap_used,
-    clippy::unwrap_used,
     clippy::cast_possible_truncation,
     clippy::single_match_else,
-    clippy::indexing_slicing,
     clippy::redundant_pub_crate,
     // the api is changing too often to allot this
     clippy::missing_errors_doc,
     clippy::missing_const_for_fn,
     clippy::multiple_crate_versions,
 
-    clippy::integer_arithmetic,
-    clippy::string_add,
-    clippy::get_unwrap,
     clippy::wrong_self_convention,
     clippy::items_after_statements,
-    clippy::shadow_reuse,
-    clippy::shadow_unrelated,
     // this is only available on nightly
     clippy::unnested_or_patterns,
 )]

src/main.rs

@@ -10,7 +10,7 @@ use grass::{from_path, from_string, Options, OutputStyle};
 
 // TODO remove this
 arg_enum! {
-    #[derive(PartialEq, Debug)]
+    #[derive(Eq, PartialEq, Debug)]
     pub enum Style {
         Expanded,
         Compressed,
@@ -18,7 +18,7 @@ arg_enum! {
 }
 
 arg_enum! {
-    #[derive(PartialEq, Debug)]
+    #[derive(Eq, PartialEq, Debug)]
     pub enum SourceMapUrls {
         Relative,
         Absolute,

src/output.rs

@@ -404,9 +404,10 @@ trait Formatter {
 }
 
 #[derive(Debug, Default)]
-struct CompressedFormatter {}
+struct CompressedFormatter;
 
 impl Formatter for CompressedFormatter {
+    #[allow(clippy::only_used_in_recursion)]
     fn write_css(&mut self, buf: &mut Vec<u8>, css: Css, map: &CodeMap) -> SassResult<()> {
         for block in css.blocks {
             match block {
@@ -593,6 +594,7 @@ pub(crate) enum AtRuleContext {
 }
 
 impl Formatter for ExpandedFormatter {
+    #[allow(clippy::only_used_in_recursion)]
     fn write_css(&mut self, buf: &mut Vec<u8>, css: Css, map: &CodeMap) -> SassResult<()> {
         let padding = "  ".repeat(self.nesting);
         self.nesting += 1;

src/parse/ident.rs

@@ -118,11 +118,11 @@ impl<'a, 'b> Parser<'a, 'b> {
         }
 
         let c = std::char::from_u32(value).ok_or(("Invalid Unicode code point.", span))?;
-        if (identifier_start && is_name_start(c) && !c.is_digit(10))
+        if (identifier_start && is_name_start(c) && !c.is_ascii_digit())
             || (!identifier_start && is_name(c))
         {
             Ok(c.to_string())
-        } else if value <= 0x1F || value == 0x7F || (identifier_start && c.is_digit(10)) {
+        } else if value <= 0x1F || value == 0x7F || (identifier_start && c.is_ascii_digit()) {
             let mut buf = String::with_capacity(4);
             buf.push('\\');
             if value > 0xF {

src/parse/value/parse.rs

@@ -1330,6 +1330,7 @@ impl<'a, 'b: 'a, 'c> IntermediateValueIterator<'a, 'b, 'c> {
         Ok(())
     }
 
+    #[allow(clippy::only_used_in_recursion)]
     fn single_value(&mut self, in_paren: bool) -> SassResult<Spanned<HigherIntermediateValue>> {
         let next = self
             .next()

src/selector/list.rs

@@ -274,10 +274,7 @@ fn flatten_vertically<A: std::fmt::Debug>(iterable: Vec<Vec<A>>) -> Vec<A> {
             result.push(queue.pop_front().unwrap());
         }
 
-        queues = queues
+        queues.retain(|queue| !queue.is_empty());
-            .into_iter()
-            .filter(|queue| !queue.is_empty())
-            .collect();
     }
 
     result

src/unit/mod.rs

@@ -196,7 +196,7 @@ impl Mul<Unit> for Unit {
             Unit::Mul(u) => match rhs {
                 Unit::Mul(u2) => {
                     let mut unit1 = *u;
-                    unit1.extend_from_slice(&*u2);
+                    unit1.extend_from_slice(&u2);
                     Unit::Mul(Box::new(unit1))
                 }
                 Unit::Div(..) => todo!(),
@@ -210,7 +210,7 @@ impl Mul<Unit> for Unit {
             _ => match rhs {
                 Unit::Mul(u2) => {
                     let mut unit1 = vec![self];
-                    unit1.extend_from_slice(&*u2);
+                    unit1.extend_from_slice(&u2);
                     Unit::Mul(Box::new(unit1))
                 }
                 Unit::Div(..) => todo!(),

src/value/mod.rs

@@ -570,6 +570,7 @@ impl Value {
         .0)
     }
 
+    #[allow(clippy::only_used_in_recursion)]
     fn selector_string(self, span: Span) -> SassResult<Option<String>> {
         Ok(Some(match self {
             Value::String(text, ..) => text,

src/value/number/mod.rs

@@ -141,8 +141,8 @@ impl Number {
     #[allow(clippy::cast_precision_loss)]
     pub fn as_float(self) -> Option<f64> {
         Some(match self {
-            Number::Small(n) => ((*n.numer() as f64) / (*n.denom() as f64)),
+            Number::Small(n) => (*n.numer() as f64) / (*n.denom() as f64),
-            Number::Big(n) => ((n.numer().to_f64()?) / (n.denom().to_f64()?)),
+            Number::Big(n) => (n.numer().to_f64()?) / (n.denom().to_f64()?),
         })
     }