 
      
      platform_mac()Choose value based on your operating system is macOS or not
platform_mac(true_part, false_part)
true_part (any)  — A valuefalse_part (any)  — A value
any — Returns true_part if your operating system is macOS, and returns false_part if otherwise
platform_mac(23, 33)   ' Returns 23 if your operating system is macOS