fn metadataDistinctAssumeCapacity(self: *Builder, tag: Metadata.Tag, value: anytype) Metadata
fn metadataDistinctAssumeCapacity(self: *Builder, tag: Metadata.Tag, value: anytype) Metadata { const index = self.metadata_items.len; _ = self.metadata_map.entries.addOneAssumeCapacity(); self.metadata_items.appendAssumeCapacity(.{ .tag = tag, .data = self.addMetadataExtraAssumeCapacity(value), }); return .{ .index = @intCast(index), .kind = .node }; }