You can think of BPatterns as a Smalltalk DSL for the rewrite engine.
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，更多细节参见搜狗输入法2026
while (stack2.length && stack2.at(-1) <= cur) {
:first-child]:h-full [&:first-child]:w-full [&:first-child]:mb-0 [&:first-child]:rounded-[inherit] h-full w-full