autocommit 2022-02-19 19:41:18 CET

src/utils/array.rs

@@ -0,0 +1,11 @@
+pub fn from_fn<F, T, const N: usize>(mut cb: F) -> [T; N]
+where
+    F: FnMut(usize) -> T,
+{
+    let mut idx = 0;
+    [(); N].map(|_| {
+        let res = cb(idx);
+        idx += 1;
+        res
+    })
+}