Migrated from uom to custom quantity implementation.

src/quantity/resistance.rs

@@ -0,0 +1,22 @@
+use derive_more::{Add, AddAssign, Display, Sub, SubAssign};
+use crate::quantity::{Quantity, Value};
+
+// ---------------------------------------------------------------------------------------------------------------------
+// ----- Ohms ------------------------
+// ---------------------------------------------------------------------------------------------------------------------
+#[derive(Copy, Clone, PartialEq, PartialOrd, Add, AddAssign, Sub, SubAssign, Display)]
+#[display(fmt = "{} {}", _0, "Self::symbol()")]
+#[repr(transparent)]
+pub struct Ohms<V: Value>(pub V);
+
+impl <V: Value> Quantity<V> for Ohms<V> {
+    #[inline(always)]
+    fn value(self) -> V {
+        self.0
+    }
+
+    #[inline(always)]
+    fn symbol() -> &'static str {
+        "Ω"
+    }
+}