swap(&arr[i], &arr[j]);
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This is the key insight: the build language is not baked into BuildKit. It’s a pluggable layer. You can write a frontend that reads a YAML spec, a TOML config, or a custom DSL, and BuildKit will execute it the same way it executes Dockerfiles.，更多细节参见搜狗输入法2026
（三）盗窃、损毁路面井盖、照明等公共设施的；
// 6. 整数位数少: 基数排序