use crate::syntax::builders::while_statement::build_while_statement_node;
use crate::syntax::fields::python::while_statement;
use crate::syntax::{SyntaxGraphArgs, SyntaxGraphError};
use crate::NodeId;
pub fn reader(
args: &mut SyntaxGraphArgs<'_>,
n_id: NodeId,
) -> Result<Option<NodeId>, SyntaxGraphError> {
let condition_id = args.required_field_alt(n_id, while_statement::CONDITION)?;
let block = args.required_field_alt(n_id, while_statement::BODY)?;
build_while_statement_node(args, n_id, block, Some(condition_id)).map(Some)
}