Format Identifier (#5255)

crates/ruff_python_formatter/src/other/identifier.rs

@@ -0,0 +1,28 @@
+use crate::prelude::*;
+use crate::AsFormat;
+use ruff_formatter::{FormatOwnedWithRule, FormatRefWithRule};
+use rustpython_parser::ast::{Identifier, Ranged};
+
+pub struct FormatIdentifier;
+
+impl FormatRule<Identifier, PyFormatContext<'_>> for FormatIdentifier {
+    fn fmt(&self, item: &Identifier, f: &mut PyFormatter) -> FormatResult<()> {
+        source_text_slice(item.range(), ContainsNewlines::No).fmt(f)
+    }
+}
+
+impl<'ast> AsFormat<PyFormatContext<'ast>> for Identifier {
+    type Format<'a> = FormatRefWithRule<'a, Identifier, FormatIdentifier, PyFormatContext<'ast>>;
+
+    fn format(&self) -> Self::Format<'_> {
+        FormatRefWithRule::new(self, FormatIdentifier)
+    }
+}
+
+impl<'ast> IntoFormat<PyFormatContext<'ast>> for Identifier {
+    type Format = FormatOwnedWithRule<Identifier, FormatIdentifier, PyFormatContext<'ast>>;
+
+    fn into_format(self) -> Self::Format {
+        FormatOwnedWithRule::new(self, FormatIdentifier)
+    }
+}