fnProtoSimple

pub fn fnProtoSimple(tree: Ast, buffer: *[1]Node.Index, node: Node.Index) full.FnProto {
    assert(tree.nodeTag(node) == .fn_proto_simple);
    const first_param, const return_type = tree.nodeData(node).opt_node_and_opt_node;
    const params = loadOptionalNodesIntoBuffer(1, buffer, .{first_param});
    return tree.fullFnProtoComponents(.{
        .proto_node = node,
        .fn_token = tree.nodeMainToken(node),
        .return_type = return_type,
        .params = params,
        .align_expr = .none,
        .addrspace_expr = .none,
        .section_expr = .none,
        .callconv_expr = .none,
    });
}