Initial proof of concept

src/quantity/volume.rs

@@ -0,0 +1,43 @@
+use crate::quantity::{Quantity, Value};
+use generate_quantity::quantity_type;
+
+use crate::quantity::MILLI;
+
+//----- Liters ----------------------------------
+quantity_type! {Liters, "L"}
+
+impl<V: Value> Liters<V> {
+    #[inline]
+    pub fn to_milli_liters(self) -> MilliLiters<V> {
+        let multiplier = V::from_u16(MILLI).unwrap();
+        MilliLiters(self.0 * multiplier)
+    }
+}
+
+//----- Milliliters ----------------------------------
+quantity_type! {MilliLiters, "mL"}
+
+impl<V: Value> MilliLiters<V> {
+    #[inline]
+    pub fn to_liters(self) -> MilliLiters<V> {
+        let divisor = V::from_u16(MILLI).unwrap();
+        MilliLiters(self.0 / divisor)
+    }
+}
+
+// ---------------------------------------------------------------------------------------------------------------------
+// ----- Tests ------------------------
+// ---------------------------------------------------------------------------------------------------------------------
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn convert_u32() {
+        let liters: Liters<u32> = 12.liters();
+        let milli_liters: MilliLiters<u32> = 12_000.milli_liters();
+
+        assert_eq!(liters.0, milli_liters.to_liters().0);
+        assert_eq!(milli_liters.0, liters.to_milli_liters().0);
+    }
+}