Implemented Value interface

src/eval/Register.go

@@ -0,0 +1,21 @@
+package eval
+
+import (
+	"git.urbach.dev/cli/q/src/cpu"
+	"git.urbach.dev/cli/q/src/types"
+)
+
+// Register is a value that is stored inside a CPU register.
+type Register struct {
+	Typ      types.Type
+	Alive    uint8
+	Register cpu.Register
+}
+
+func (v Register) String() string {
+	return "Register"
+}
+
+func (v Register) Type() types.Type {
+	return v.Typ
+}