↶ lobby · fable · hijack · zh_huo · datalog / mercury · AB

one fable-low hijack cell

pair datalog / mercury envelope zh_huo ordering AB effort low

Chinese '或' (huò, or) framing — '{X}或{Y}?'

response (200 chars)

# Mercury 与 Datalog 简介对比

这两个都是逻辑编程语言,但定位差别很大:

## Mercury

- **定位**:通用编程语言,可写完整应用程序
- **起源**:1995年,墨尔本大学,受 Prolog 和 Haskell 影响
- **特点**:
  - 强静态类型系统、模式(mode)和确定性(determinism)声明
  - 纯声明式,无副作用(I/O 通过线性

neighbors

ordering BA envelope 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