PFNGLVERTEXARRAYATTRIBIFORMATPROCDart typedef
        PFNGLVERTEXARRAYATTRIBIFORMATPROCDart =
     void Function(int vaobj, int attribindex, int size, int type, int relativeoffset)
    
    
    
Implementation
typedef PFNGLVERTEXARRAYATTRIBIFORMATPROCDart =
    void Function(
      int vaobj,
      int attribindex,
      int size,
      int type,
      int relativeoffset,
    );