ruff/crates/ruff_python_formatter/src/other/identifier.rs

use ruff_formatter::{FormatOwnedWithRule, FormatRefWithRule};
use ruff_python_ast::Identifier;
use ruff_text_size::Ranged;

use crate::prelude::*;

pub struct FormatIdentifier;

impl FormatRule<Identifier, PyFormatContext<'_>> for FormatIdentifier {
    fn fmt(&self, item: &Identifier, f: &mut PyFormatter) -> FormatResult<()> {
        source_text_slice(item.range()).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)
    }
}