Node

            const Node = union(enum) {
                none,
                @"inline": Metadata,
                index: u32,

                local_value: ValueData,
                local_metadata: ValueData,
                local_inline: Metadata,
                local_index: u32,

                string: Metadata.String,
                bool: bool,
                u32: u32,
                u64: u64,
                di_flags: DIFlags,
                sp_flags: Subprogram.DISPFlags,
                raw: []const u8,

                const ValueData = struct {
                    value: Value,
                    function: Function.Index,
                };
            }