Make the first infinite_scrolled_map test run

agb/src/display/tiled/infinite_scrolled_map.rs

@@ -20,9 +20,38 @@ use crate::{
 ///
 /// # Example
 ///
-/// ```
-/// let backdrop = InfiniteScrolledMap::new(
-///     background.background(Priority::P2, RegularBackgroundSize::Background32x32),
+/// ```rust,no_run
+/// # #![no_std]
+/// # #![no_main]
+/// extern crate alloc;
+///
+/// use alloc::boxed::Box;
+///
+/// use agb::display::tiled::{
+///     InfiniteScrolledMap,
+///     TileSetting,
+///     RegularBackgroundSize,
+///     TileSet,
+///     TileFormat,
+/// };
+/// use agb::display::Priority;
+///
+/// mod tilemap {
+///    pub const BACKGROUND_MAP: &[u16] = &[ // Probably load this from a file
+/// # 0, 1, 2];
+///    pub const WIDTH: i32 = // set it to some width
+/// # 12;
+///    pub const MAP_TILES: &[u8] = &[ // probably load this from a file
+/// # 0];
+/// }
+///
+/// # fn foo(mut gba: agb::Gba) {
+/// let (gfx, mut vram) = gba.display.video.tiled0();
+///
+/// let tileset = TileSet::new(&tilemap::MAP_TILES, TileFormat::FourBpp);
+///
+/// let mut backdrop = InfiniteScrolledMap::new(
+///     gfx.background(Priority::P2, RegularBackgroundSize::Background32x32),
 ///     Box::new(|pos| {
 ///         (
 ///             &tileset,
@@ -40,6 +69,7 @@ use crate::{
 /// backdrop.set_pos(&mut vram, (3, 5).into());
 /// backdrop.commit(&mut vram);
 /// backdrop.show();
+/// # }
 /// ```
 pub struct InfiniteScrolledMap<'a> {
     map: MapLoan<'a, RegularMap>,