muJSUnaryOp:: JSUnaryOp -> Identifier -> Expression
muJSUnaryOp (JSUnaryOpDecr _) r = (Application (Primitive Minus) [Reference r, MuNumber 1])
muJSUnaryOp:: JSUnaryOp -> Identifier -> Expression
muJSUnaryOp (JSUnaryOpDecr _) r = (Application (Primitive Minus) [Reference r, MuNumber 1])
muJSUnaryOp (JSUnaryOpDecr _) r = (Application (Primitive Minus) [Reference r, MuNumber 1])