brk: first commit

_src/structs/array.rs

@@ -0,0 +1,31 @@
+use std::fmt::Debug;
+
+use allocative::Allocative;
+use derive_deref::{Deref, DerefMut};
+use snkrj::{direct_repr, Storable, UnsizedStorable};
+
+#[derive(
+    Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Deref, DerefMut, Default, Copy, Allocative,
+)]
+pub struct U8x19([u8; 19]);
+direct_repr!(U8x19);
+impl From<&[u8]> for U8x19 {
+    fn from(slice: &[u8]) -> Self {
+        let mut arr = Self::default();
+        arr.copy_from_slice(slice);
+        arr
+    }
+}
+
+#[derive(
+    Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Deref, DerefMut, Default, Copy, Allocative,
+)]
+pub struct U8x31([u8; 31]);
+direct_repr!(U8x31);
+impl From<&[u8]> for U8x31 {
+    fn from(slice: &[u8]) -> Self {
+        let mut arr = Self::default();
+        arr.copy_from_slice(slice);
+        arr
+    }
+}