PFNGLVERTEXWEIGHTHNVPROCDart typedef
        PFNGLVERTEXWEIGHTHNVPROCDart =
     void Function(int weight)
    
    
    
Implementation
typedef PFNGLVERTEXWEIGHTHNVPROCDart = void Function(int weight);typedef PFNGLVERTEXWEIGHTHNVPROCDart = void Function(int weight);