Implement usage of core::array::from_fn into `generate_hilbert_inde…

…x_lut()`, per suggestion from Benjamin

crates/bevy_pbr/src/ssao/mod.rs

@@ -753,19 +753,8 @@ fn prepare_ssao_bind_groups(
 }
 
 fn generate_hilbert_index_lut() -> [[u16; 64]; 64] {
-    let mut t = [[0; 64]; 64];
-
-    #[expect(
-        clippy::needless_range_loop,
-        reason = "Rewriting this loop to use iterators would make the code much harder to read for very little performance gain."
-    )]
-    for x in 0..64 {
-        for y in 0..64 {
-            t[x][y] = hilbert_index(x as u16, y as u16);
-        }
-    }
-
-    t
+    use core::array::from_fn;
+    from_fn(|x| from_fn(|y| hilbert_index(x as u16, y as u16)))
 }
 
 // https://www.shadertoy.com/view/3tB3z3