global: one big snapshot

crates/brk_structs/src/structs/vin.rs

@@ -0,0 +1,31 @@
+use derive_deref::Deref;
+
+#[derive(Debug, Deref, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
+pub struct Vin(u32);
+
+impl Vin {
+    pub const ZERO: Self = Vin(0);
+    pub const ONE: Self = Vin(1);
+
+    pub fn is_zero(&self) -> bool {
+        *self == Self::ZERO
+    }
+}
+
+impl From<u32> for Vin {
+    fn from(value: u32) -> Self {
+        Self(value)
+    }
+}
+
+impl From<usize> for Vin {
+    fn from(value: usize) -> Self {
+        Self(value as u32)
+    }
+}
+
+impl From<Vin> for u64 {
+    fn from(value: Vin) -> Self {
+        value.0 as u64
+    }
+}