FromInput creates a Map of runes from the input where each line is one row in the map and each rune in each line is a column.

FromInputOf creates a Map of the specified type from the input where each line is one row in the map and each rune in each line is a column whose value is computed using the provided conversion function.

Of creates a new empty tile map of the specified type and size.

Container represents the intermediate object stored in the tile map.

Map represents a fixed size grid of tiles.