In the beginning...

quantity/voltage.odin

@@ -0,0 +1,59 @@
+package quantity
+
+import "base:intrinsics"
+
+//----- Volts ----------------------------------
+Volts :: struct($V: typeid) where intrinsics.type_is_numeric(V) {
+	v: V,
+}
+
+@(private = "file")
+volts_to_milli_volts :: #force_inline proc "contextless" (
+	volts: Volts($V),
+) -> Milli_Volts(V) where intrinsics.type_is_numeric(V) {
+	return Milli_Volts(V){volts.v * MILLI}
+}
+
+//----- Millivolts ----------------------------------
+Milli_Volts :: struct($V: typeid) where intrinsics.type_is_numeric(V) {
+	v: V,
+}
+
+@(private = "file")
+milli_volts_to_volts :: #force_inline proc "contextless" (
+	milli_volts: Milli_Volts($V),
+) -> Volts(V) where intrinsics.type_is_numeric(V) {
+	return Volts(V){milli_volts.v / MILLI}
+}
+
+// ---------------------------------------------------------------------------------------------------------------------
+// ----- Conversion Overloads ------------------------
+// ---------------------------------------------------------------------------------------------------------------------
+to_volts :: proc {
+    milli_volts_to_volts,
+}
+
+to_milli_volts :: proc {
+    volts_to_milli_volts,
+}
+
+// ---------------------------------------------------------------------------------------------------------------------
+// ----- Tests ------------------------
+// ---------------------------------------------------------------------------------------------------------------------
+import "core:testing"
+
+@(test)
+test_volts_to_milli_volts :: proc(t: ^testing.T) {
+	volts := Volts(int){1}
+	milli_volts := to_milli_volts(volts)
+
+	testing.expect_value(t, milli_volts, Milli_Volts(int){1000})
+}
+
+@(test)
+test_milli_volts_to_volts :: proc(t: ^testing.T) {
+    milli_volts := Milli_Volts(int){1000}
+    volts := to_volts(milli_volts)
+
+    testing.expect_value(t, volts, Volts(int){1})
+}