Disable clippy::missing_const_for_fn if impossible

Author: Naseschwarz

Diff for: src/components/commitlist.rs

@@ -114,6 +114,9 @@ impl CommitList {
 		self.marked.len()
 	}
 
+	// Clippy wants this to be const in nightly, which is not possible.
+	// Disable check to make clippy pass:
+	#[allow(clippy::missing_const_for_fn)]
 	///
 	pub fn marked(&self) -> &[(usize, CommitId)] {
 		&self.marked

Diff for: src/keys/key_config.rs

@@ -40,6 +40,11 @@ impl KeyConfig {
 		Ok(Self { keys, symbols })
 	}
 
+	// Clippy wants this to be const in nightly
+	// This can't really be const, as deref into &str is not const, even
+	// in nightly.
+	// Disable clippy warning to build on nightly.
+	#[allow(clippy::missing_const_for_fn)]
 	fn get_key_symbol(&self, k: KeyCode) -> &str {
 		match k {
 			KeyCode::Enter => &self.symbols.enter,
@@ -106,6 +111,11 @@ impl KeyConfig {
 		}
 	}
 
+	// Clippy wants this to be const in nightly
+	// This can't really be const, as deref into &str is not const, even
+	// in nightly.
+	// Disable clippy warning to build on nightly.
+	#[allow(clippy::missing_const_for_fn)]
 	fn get_modifier_hint(&self, modifier: KeyModifiers) -> &str {
 		match modifier {
 			KeyModifiers::CONTROL => &self.symbols.control,

Diff for: src/popups/blame_file.rs

@@ -41,6 +41,10 @@ struct SyntaxFileBlame {
 }
 
 impl SyntaxFileBlame {
+	// Clippy wants this to be const in nightly.
+	// This can't really be const, as deref into Path is not const.
+	// Disable clippy warning to build on nightly.
+	#[allow(clippy::missing_const_for_fn)]
 	fn path(&self) -> &str {
 		&self.file_blame.path
 	}

Diff for: src/ui/syntax_text.rs

@@ -167,9 +167,13 @@ impl SyntaxText {
 		})
 	}
 
+	// Clippy wants this to be const in nightly.
+	// This can't really be const, as deref into Path is not const.
+	// Disable clippy warning to build on nightly.
+	#[allow(clippy::missing_const_for_fn)]
 	///
 	pub fn path(&self) -> &Path {
-		&self.path
+		self.path.as_path()
 	}
 }