Fix warnings from clippy (#7013)

* Fix warnings from clippy

* revert MAIN_SEPARATOR_STR

1 files changed, 6 insertions, 3 deletions

diff --git a/helix-core/src/syntax.rs b/helix-core/src/syntax.rs
index 6514b40f..005e985d 100644
--- a/helix-core/src/syntax.rs
+++ b/helix-core/src/syntax.rs
@@ -187,9 +187,12 @@ impl<'de> Deserialize<'de> for FileType {
                 M: serde::de::MapAccess<'de>,
             {
                 match map.next_entry::<String, String>()? {
-                    Some((key, suffix)) if key == "suffix" => Ok(FileType::Suffix(
-                        suffix.replace('/', &std::path::MAIN_SEPARATOR.to_string()),
-                    )),
+                    Some((key, suffix)) if key == "suffix" => Ok(FileType::Suffix({
+                        // FIXME: use `suffix.replace('/', std::path::MAIN_SEPARATOR_STR)`
+                        //        if MSRV is updated to 1.68
+                        let mut seperator = [0; 1];
+                        suffix.replace('/', std::path::MAIN_SEPARATOR.encode_utf8(&mut seperator))
+                    })),
                     Some((key, _value)) => Err(serde::de::Error::custom(format!(
                         "unknown key in `file-types` list: {}",
                         key