use alloc::borrow::ToOwned;
use crate::syntax::builders::unary_expression::build_unary_expression_node;
use crate::syntax::fields::python::not_operator;
use crate::syntax::{SyntaxGraphArgs, SyntaxGraphError};
use crate::NodeId;
pub fn reader(
args: &mut SyntaxGraphArgs<'_>,
n_id: NodeId,
) -> Result<Option<NodeId>, SyntaxGraphError> {
let operand = args.required_field_alt(n_id, not_operator::ARGUMENT)?;
build_unary_expression_node(args, n_id, "not".to_owned(), operand).map(Some)
}