BufferArg          37 src/Function.h     ExternFuncArgument(Buffer<T> b): arg_type(BufferArg), buffer(b) {}
BufferArg          50 src/Function.h     bool is_buffer() const {return arg_type == BufferArg;}
BufferArg          51 src/WrapExternStages.cpp             } else if (arg.arg_type == ExternFuncArgument::BufferArg) {