use crate::{
syntax::{
builders::parameter::build_parameter_node,
fields::{swift::parameter, Field},
SyntaxGraphArgs, SyntaxGraphError,
},
utilities::text_nodes::node_to_str,
NodeId,
};
const TYPE: Field<false> = Field::new("type_id");
pub fn reader(
args: &mut SyntaxGraphArgs<'_>,
n_id: NodeId,
) -> Result<Option<NodeId>, SyntaxGraphError> {
let graph = args.ast_graph;
let var_id = args.required_field_alt(n_id, parameter::NAME)?;
let var_name = node_to_str(graph, var_id);
let var_type = args
.optional_field_alt(n_id, TYPE)
.map(|type_id| node_to_str(graph, type_id));
build_parameter_node(args, n_id, Some(var_name), var_type, None, &[], None, None).map(Some)
}