letsar

import 'dart:math' as math;

import 'package:flutter/foundation.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/widgets.dart';

/// Signature for a function that creates a [TileSize] for a given index.
typedef TileSize IndexedTileSizeBuilder(int index);

/// Creates grid layouts with a fixed number of spans in the cross axis.