1 files changed, 5 insertions, 5 deletions
diff --git a/src/makefile/token.rs b/src/makefile/token.rs
index 31adcfc..63c48d9 100644
--- a/src/makefile/token.rs
+++ b/src/makefile/token.rs
@@ -192,21 +192,21 @@ enum Delimiter {
 }
 
 impl Delimiter {
-    fn start(&self) -> &'static str {
+    const fn start(&self) -> &'static str {
         match self {
             Self::Parens => "(",
             Self::Braces => "{",
         }
     }
 
-    fn start_char(&self) -> char {
+    const fn start_char(&self) -> char {
         match self {
             Self::Parens => '(',
             Self::Braces => '{',
         }
     }
 
-    fn end(&self) -> &'static str {
+    const fn end(&self) -> &'static str {
         match self {
             Self::Parens => ")",
             Self::Braces => "}",
@@ -317,7 +317,7 @@ fn text_but_not<'a, E: Err<'a>>(
 ) -> impl FnMut(&'a str) -> IResult<&'a str, TokenString, E> {
     map(
         take_till1(move |c| c == '$' || ends.contains(&c)),
-        |x: &str| TokenString::text(x), // TODO don't allocate an entire Vec for that
+        TokenString::text, // TODO don't allocate an entire Vec for that
     )
 }
 
@@ -349,7 +349,7 @@ fn single_token_but_not<'a, E: Err<'a>>(
     alt((
         text_but_not(tbn_ends),
         macro_expansion,
-        nested_delimiters(ends.clone(), context),
+        nested_delimiters(ends, context),
     ))
 }