PFNGLCLEARDEPTHFPROCDart typedef
        PFNGLCLEARDEPTHFPROCDart =
     void Function(double d)
    
    
    
Implementation
typedef PFNGLCLEARDEPTHFPROCDart = void Function(double d);typedef PFNGLCLEARDEPTHFPROCDart = void Function(double d);