global: one big snapshot

crates/brk_structs/src/structs/stored_u8.rs

@@ -0,0 +1,110 @@
+use std::ops::{Add, AddAssign, Div};
+
+use brk_vecs::{CheckedSub, Printable};
+use derive_deref::Deref;
+use serde::Serialize;
+use zerocopy_derive::{FromBytes, Immutable, IntoBytes, KnownLayout};
+
+pub type StoredPhantom = StoredU8;
+
+#[derive(
+    Default,
+    Debug,
+    Deref,
+    Clone,
+    Copy,
+    PartialEq,
+    Eq,
+    PartialOrd,
+    Ord,
+    FromBytes,
+    Immutable,
+    IntoBytes,
+    KnownLayout,
+    Serialize,
+)]
+pub struct StoredU8(u8);
+
+impl StoredU8 {
+    pub const ZERO: Self = Self(0);
+
+    pub fn new(counter: u8) -> Self {
+        Self(counter)
+    }
+}
+
+impl From<u8> for StoredU8 {
+    fn from(value: u8) -> Self {
+        Self(value)
+    }
+}
+
+impl From<usize> for StoredU8 {
+    fn from(value: usize) -> Self {
+        Self(value as u8)
+    }
+}
+
+impl CheckedSub<StoredU8> for StoredU8 {
+    fn checked_sub(self, rhs: Self) -> Option<Self> {
+        self.0.checked_sub(rhs.0).map(Self)
+    }
+}
+
+impl Div<usize> for StoredU8 {
+    type Output = Self;
+    fn div(self, rhs: usize) -> Self::Output {
+        Self(self.0 / rhs as u8)
+    }
+}
+
+impl Add for StoredU8 {
+    type Output = Self;
+    fn add(self, rhs: Self) -> Self::Output {
+        Self(self.0 + rhs.0)
+    }
+}
+
+impl AddAssign for StoredU8 {
+    fn add_assign(&mut self, rhs: Self) {
+        *self = *self + rhs
+    }
+}
+
+impl From<f64> for StoredU8 {
+    fn from(value: f64) -> Self {
+        if value < 0.0 || value > u32::MAX as f64 {
+            panic!()
+        }
+        Self(value as u8)
+    }
+}
+
+impl From<StoredU8> for f64 {
+    fn from(value: StoredU8) -> Self {
+        value.0 as f64
+    }
+}
+
+impl Add<usize> for StoredU8 {
+    type Output = Self;
+    fn add(self, rhs: usize) -> Self::Output {
+        Self(self.0.checked_add(rhs as u8).unwrap())
+    }
+}
+
+impl From<StoredU8> for usize {
+    fn from(value: StoredU8) -> Self {
+        value.0 as usize
+    }
+}
+
+impl Printable for StoredU8 {
+    fn to_string() -> &'static str {
+        "u8"
+    }
+
+    fn to_possible_strings() -> &'static [&'static str] {
+        &["u8"]
+    }
+}