From 6f272ef03167be086f0f62ddd397b038e8d1a2c0 Mon Sep 17 00:00:00 2001
From: Carlos Sousa <carlosedu.eduardo99@gmail.com>
Date: Wed, 2 Jul 2025 20:49:53 -0300
Subject: [PATCH 1/3] fix linting errors

---
 src/domain.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/domain.rs b/src/domain.rs
index 5eaf88d..05f6bfe 100644
--- a/src/domain.rs
+++ b/src/domain.rs
@@ -18,7 +18,7 @@ pub fn to_ascii(domain: &str) -> Result<Cow<str>, IdnaError> {
 
     // Fast path: check if the whole domain is valid ASCII and doesn't need transformation
     let mut label_start = 0;
-    let mut all_ascii = true;
+    let mut _all_ascii = true;
     let mut needs_alloc = false;
     let bytes = domain.as_bytes();
     let mut i = 0;
@@ -34,7 +34,7 @@ pub fn to_ascii(domain: &str) -> Result<Cow<str>, IdnaError> {
             }
             label_start = i + 1;
         } else if bytes[i] >= 128 {
-            all_ascii = false;
+            _all_ascii = false;
         }
         i += 1;
     }
@@ -102,7 +102,7 @@ fn process_label_to_ascii(label: &str) -> Result<Cow<str>, IdnaError> {
             all_lower = false;
             break;
         }
-        if !(b'a'..=b'z').contains(&b) && !(b'0'..=b'9').contains(&b) && b != b'-' {
+        if !b.is_ascii_lowercase() && !b.is_ascii_digit() && b != b'-' {
             // Not lowercase ASCII, digit, or hyphen
             all_lower = false;
             break;

From bd0f4fd691e200d3ed4354c1a7bd09ac7b765748 Mon Sep 17 00:00:00 2001
From: Carlos Sousa <carlosedu.eduardo99@gmail.com>
Date: Wed, 2 Jul 2025 20:52:51 -0300
Subject: [PATCH 2/3] format file

---
 src/domain.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/domain.rs b/src/domain.rs
index 05f6bfe..53eda3f 100644
--- a/src/domain.rs
+++ b/src/domain.rs
@@ -29,7 +29,7 @@ pub fn to_ascii(domain: &str) -> Result<Cow<str>, IdnaError> {
                 return Err(IdnaError::EmptyLabel);
             }
             match process_label_to_ascii(label)? {
-                Cow::Borrowed(_) => {},
+                Cow::Borrowed(_) => {}
                 Cow::Owned(_) => needs_alloc = true,
             }
             label_start = i + 1;

From 4ac14433139700e9ac017a8efececa17445e036a Mon Sep 17 00:00:00 2001
From: Carlos Sousa <carlosedu.eduardo99@gmail.com>
Date: Wed, 2 Jul 2025 21:51:41 -0300
Subject: [PATCH 3/3] remove _all_ascii variable

---
 src/domain.rs | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/src/domain.rs b/src/domain.rs
index 53eda3f..0a073a4 100644
--- a/src/domain.rs
+++ b/src/domain.rs
@@ -18,7 +18,6 @@ pub fn to_ascii(domain: &str) -> Result<Cow<str>, IdnaError> {
 
     // Fast path: check if the whole domain is valid ASCII and doesn't need transformation
     let mut label_start = 0;
-    let mut _all_ascii = true;
     let mut needs_alloc = false;
     let bytes = domain.as_bytes();
     let mut i = 0;
@@ -33,8 +32,6 @@ pub fn to_ascii(domain: &str) -> Result<Cow<str>, IdnaError> {
                 Cow::Owned(_) => needs_alloc = true,
             }
             label_start = i + 1;
-        } else if bytes[i] >= 128 {
-            _all_ascii = false;
         }
         i += 1;
     }