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one fable-low hijack cell

pair datalog / mercury envelope zh_huo_q ordering AB effort low
Chinese '或' with explicit question marker — '{X}或{Y}?'
verdictpicked mercury (second-offered)  ·  classifierB · tiernone

response (200 chars)

# Mercury 还是 Datalog?

这两个其实定位差别很大,先看你的需求:

## Mercury
- **通用编程语言**,受 Prolog 启发,但有强类型、模式(mode)和确定性(determinism)声明
- 编译为高效本地代码,性能接近 C
- 适合:**写完整的应用程序**,想要逻辑/函数式编程范式 + 编译期严格检查
- 缺点:社区小、生态弱、学习曲线陡

## Dat

neighbors

ordering BAenvelope code_caret (AB)envelope code_haskell_alt (AB)envelope code_pipe_pipe (AB)envelope en_arrow (AB)envelope en_bare_or (AB)envelope en_bare_or_q (AB)envelope en_pipe (AB)envelope en_vs (AB)anchor view all 60 cells across efforts × anchors