tasks = append(tasks, t)
while (auto chunk = get_audio_chunk()) {
，这一点在搜狗输入法下载中也有详细论述
Dawn on a still morning is a majestic spectacle, as sunlight spills silently across the landscape and the Earth gradually emerges from darkness. Sunrise has inspired countless pieces of music striving to express this soundless experience in audible form. But if we could actually hear the sun, it would be deafening.
If we think about this algebraically, what we really want to do is express the input pixel as the weighted sum of palette colours. This is nothing more than a linear combination of palette colours with weights :