clippy fix

src/file.rs

@@ -169,6 +169,7 @@ impl<'event> MutableMultiValue<'_, '_, 'event> {
 
     /// Returns the size of values the multivar has.
     #[inline]
+    #[must_use]
     pub fn len(&self) -> usize {
         self.indices_and_sizes.len()
     }
@@ -176,6 +177,7 @@ impl<'event> MutableMultiValue<'_, '_, 'event> {
     /// Returns if the multivar has any values. This might occur if the value
     /// was deleted but not set with a new value.
     #[inline]
+    #[must_use]
     pub fn is_empty(&self) -> bool {
         self.indices_and_sizes.is_empty()
     }
@@ -1131,8 +1133,8 @@ impl Display for GitConfig<'_> {
 
 #[cfg(test)]
 mod from_parser {
-    use super::*;
-    use crate::test_util::*;
+    use super::{Cow, Event, GitConfig, HashMap, LookupTreeNode, SectionId, TryFrom};
+    use crate::test_util::{name_event, newline_event, section_header, value_event};
 
     #[test]
     fn parse_empty() {
@@ -1331,7 +1333,7 @@ mod from_parser {
 
 #[cfg(test)]
 mod get_raw_value {
-    use super::*;
+    use super::{Cow, GitConfig, GitConfigError, TryFrom};
 
     #[test]
     fn single_section() {
@@ -1407,7 +1409,7 @@ mod get_raw_value {
 
 #[cfg(test)]
 mod get_value {
-    use super::*;
+    use super::{Cow, GitConfig, TryFrom};
     use crate::values::{Boolean, TrueVariant, Value};
     use std::error::Error;
 
@@ -1426,7 +1428,7 @@ mod get_value {
 
 #[cfg(test)]
 mod get_raw_multi_value {
-    use super::*;
+    use super::{Cow, GitConfig, GitConfigError, TryFrom};
 
     #[test]
     fn single_value_is_identical_to_single_value_query() {
@@ -1515,7 +1517,7 @@ mod get_raw_multi_value {
 
 #[cfg(test)]
 mod display {
-    use super::*;
+    use super::{GitConfig, TryFrom};
 
     #[test]
     fn can_reconstruct_empty_config() {

src/lib.rs

@@ -1,9 +1,7 @@
 #![forbid(unsafe_code)]
 // #![deny(missing_docs)]
 #![warn(clippy::pedantic, clippy::nursery, clippy::cargo)]
-#![allow(
-    // clippy::must_use_candidate,
-    clippy::shadow_unrelated)]
+#![allow(clippy::shadow_unrelated)]
 
 //! # `git_config`
 //!

src/parser.rs

@@ -69,6 +69,7 @@ pub enum Event<'a> {
 }
 
 impl Event<'_> {
+    #[must_use]
     pub fn to_vec(&self) -> Vec<u8> {
         self.into()
     }
@@ -151,6 +152,7 @@ pub struct ParsedSectionHeader<'a> {
 }
 
 impl ParsedSectionHeader<'_> {
+    #[must_use]
     pub fn to_vec(&self) -> Vec<u8> {
         self.into()
     }
@@ -243,11 +245,13 @@ pub struct Error<'a> {
 impl Error<'_> {
     /// The one-indexed line number where the error occurred. This is determined
     /// by the number of newlines that were successfully parsed.
+    #[must_use]
     pub const fn line_number(&self) -> usize {
         self.line_number + 1
     }
 
     /// The remaining data that was left unparsed.
+    #[must_use]
     pub const fn remaining_data(&self) -> &[u8] {
         self.parsed_until
     }
@@ -521,6 +525,7 @@ impl<'a> Parser<'a> {
     /// a section) from the parser. Consider [`Parser::take_frontmatter`] if
     /// you need an owned copy only once. If that function was called, then this
     /// will always return an empty slice.
+    #[must_use]
     pub fn frontmatter(&self) -> &[Event<'a>] {
         &self.frontmatter
     }
@@ -538,6 +543,7 @@ impl<'a> Parser<'a> {
     /// Returns the parsed sections from the parser. Consider
     /// [`Parser::take_sections`] if you need an owned copy only once. If that
     /// function was called, then this will always return an empty slice.
+    #[must_use]
     pub fn sections(&self) -> &[ParsedSection<'a>] {
         &self.sections
     }
@@ -552,6 +558,7 @@ impl<'a> Parser<'a> {
     }
 
     /// Consumes the parser to produce a Vec of Events.
+    #[must_use]
     pub fn into_vec(self) -> Vec<Event<'a>> {
         self.into_iter().collect()
     }
@@ -994,7 +1001,7 @@ fn take_newline(i: &[u8]) -> IResult<&[u8], (&str, usize)> {
 
 #[cfg(test)]
 mod comments {
-    use super::*;
+    use super::comment;
     use crate::test_util::{comment as parsed_comment, fully_consumed};
 
     #[test]
@@ -1024,7 +1031,7 @@ mod comments {
 
 #[cfg(test)]
 mod section_headers {
-    use super::*;
+    use super::section_header;
     use crate::test_util::{fully_consumed, section_header as parsed_section_header};
 
     #[test]
@@ -1096,7 +1103,7 @@ mod section_headers {
 
 #[cfg(test)]
 mod config_name {
-    use super::*;
+    use super::config_name;
     use crate::test_util::fully_consumed;
 
     #[test]
@@ -1118,7 +1125,7 @@ mod config_name {
 
 #[cfg(test)]
 mod section_body {
-    use super::*;
+    use super::{section_body, Event, ParserNode};
     use crate::test_util::{name_event, value_event, whitespace_event};
 
     #[test]
@@ -1152,7 +1159,7 @@ mod section_body {
 
 #[cfg(test)]
 mod value_no_continuation {
-    use super::*;
+    use super::value_impl;
     use crate::test_util::value_event;
 
     #[test]
@@ -1258,7 +1265,7 @@ mod value_no_continuation {
 
 #[cfg(test)]
 mod value_continuation {
-    use super::*;
+    use super::value_impl;
     use crate::test_util::{newline_event, value_done_event, value_not_done_event};
 
     #[test]
@@ -1318,10 +1325,7 @@ mod value_continuation {
     #[test]
     fn quote_split_over_two_lines_with_leftover_comment() {
         let mut events = vec![];
-        assert_eq!(
-            value_impl(b"\"\\\n;\";a", &mut events).unwrap().0,
-            ";a".as_bytes()
-        );
+        assert_eq!(value_impl(b"\"\\\n;\";a", &mut events).unwrap().0, b";a");
         assert_eq!(
             events,
             vec![
@@ -1335,7 +1339,7 @@ mod value_continuation {
 
 #[cfg(test)]
 mod section {
-    use super::*;
+    use super::{section, Event, ParsedSection, ParserNode};
     use crate::test_util::{
         comment_event, fully_consumed, name_event, newline_event,
         section_header as parsed_section_header, value_done_event, value_event,
@@ -1535,7 +1539,7 @@ mod section {
 
 #[cfg(test)]
 mod error {
-    use super::*;
+    use super::parse_from_str;
 
     #[test]
     fn line_no_is_one_indexed() {

src/values.rs

@@ -59,6 +59,7 @@ use std::str::FromStr;
 /// ```
 ///
 /// [`parser`]: crate::parser::Parser
+#[must_use]
 pub fn normalize_cow(input: Cow<'_, [u8]>) -> Cow<'_, [u8]> {
     let size = input.len();
     if &*input == b"\"\"" {
@@ -120,18 +121,21 @@ pub fn normalize_cow(input: Cow<'_, [u8]>) -> Cow<'_, [u8]> {
 
 /// `&[u8]` variant of [`normalize_cow`].
 #[inline]
+#[must_use]
 pub fn normalize_bytes(input: &[u8]) -> Cow<'_, [u8]> {
     normalize_cow(Cow::Borrowed(input))
 }
 
 /// `Vec[u8]` variant of [`normalize_cow`].
 #[inline]
+#[must_use]
 pub fn normalize_vec(input: Vec<u8>) -> Cow<'static, [u8]> {
     normalize_cow(Cow::Owned(input))
 }
 
 /// [`str`] variant of [`normalize_cow`].
 #[inline]
+#[must_use]
 pub fn normalize_str(input: &str) -> Cow<'_, [u8]> {
     normalize_bytes(input.as_bytes())
 }
@@ -150,6 +154,7 @@ pub enum Value<'a> {
 }
 
 impl Value<'_> {
+    #[must_use]
     pub fn to_vec(&self) -> Vec<u8> {
         self.into()
     }
@@ -261,10 +266,12 @@ pub enum Boolean<'a> {
 }
 
 impl Boolean<'_> {
+    #[must_use]
     pub fn to_vec(&self) -> Vec<u8> {
         self.into()
     }
 
+    #[must_use]
     pub fn as_bytes(&self) -> &[u8] {
         self.into()
     }
@@ -500,6 +507,7 @@ pub struct Integer {
 }
 
 impl Integer {
+    #[must_use]
     pub fn to_vec(&self) -> Vec<u8> {
         self.into()
     }
@@ -610,6 +618,7 @@ pub enum IntegerSuffix {
 
 impl IntegerSuffix {
     /// Returns the number of bits that the suffix shifts left by.
+    #[must_use]
     pub const fn bitwise_offset(self) -> usize {
         match self {
             Self::Kibi => 10,
@@ -690,6 +699,7 @@ pub struct Color {
 }
 
 impl Color {
+    #[must_use]
     pub fn to_vec(&self) -> Vec<u8> {
         self.into()
     }
@@ -1118,7 +1128,7 @@ mod normalize {
 
 #[cfg(test)]
 mod boolean {
-    use super::*;
+    use super::{Boolean, TrueVariant, TryFrom};
 
     #[test]
     fn from_str_false() {
@@ -1171,7 +1181,7 @@ mod boolean {
 
 #[cfg(test)]
 mod integer {
-    use super::*;
+    use super::{FromStr, Integer, IntegerSuffix};
 
     #[test]
     fn from_str_no_suffix() {

tests/integration_tests/parser_integration_tests.rs

@@ -13,12 +13,12 @@ pub fn section_header(
     name: &str,
     subsection: impl Into<Option<(&'static str, &'static str)>>,
 ) -> ParsedSectionHeader<'_> {
-    let name = Cow::Borrowed(name.into());
+    let name = Cow::Borrowed(name);
     if let Some((separator, subsection_name)) = subsection.into() {
         ParsedSectionHeader {
             name,
-            separator: Some(Cow::Borrowed(separator.into())),
-            subsection_name: Some(Cow::Borrowed(subsection_name.into())),
+            separator: Some(Cow::Borrowed(separator)),
+            subsection_name: Some(Cow::Borrowed(subsection_name)),
         }
     } else {
         ParsedSectionHeader {
@@ -30,7 +30,7 @@ pub fn section_header(
 }
 
 fn name(name: &'static str) -> Event<'static> {
-    Event::Key(Cow::Borrowed(name.into()))
+    Event::Key(Cow::Borrowed(name))
 }
 
 fn value(value: &'static str) -> Event<'static> {
@@ -42,11 +42,11 @@ fn newline() -> Event<'static> {
 }
 
 fn newline_custom(value: &'static str) -> Event<'static> {
-    Event::Newline(Cow::Borrowed(value.into()))
+    Event::Newline(Cow::Borrowed(value))
 }
 
 fn whitespace(value: &'static str) -> Event<'static> {
-    Event::Whitespace(Cow::Borrowed(value.into()))
+    Event::Whitespace(Cow::Borrowed(value))
 }
 
 fn separator() -> Event<'static> {