我在Perl $hash{3}
当我打印出use of uninitialzed value in print
时出现的错误( m_outputBuffer = new ComputeBuffer(m_renderTexture.width * m_renderTexture.height, sizeof(float));
m_kernelIndex = m_computeShader.FindKernel("CSMain");
)。但是,如果没有哈希值,有没有办法默认值?