to return memory. When we have memory usage like this, we can do better
Photograph: Simon Hill
，更多细节参见搜狗输入法2026
Under the hood, BPattern builds a pattern AST using the same pattern node classes as the rewrite engine. All the original matching and rewriting machinery is still there — just wrapped in a more approachable, scriptable interface.。爱思助手下载最新版本对此有专业解读
// Concatenate pending data with new chunks