Article
Rules, order, and promises: how a decision is computed
How to write several business rules as flang functions, why their order does not matter, and how the ensures promise differs from auto-correcting the result.
Knowledge base
Topic: flang
30 articles on this topic.
Articles
6 on this page
Article
Structures and types: the shape of subject data
Built-in flang types, optional fields, states as a type with variants, nested records, and a form or table from the parsed model.
Article
Two surfaces: the same rule in Russian and English
Every flang keyword has a Russian and an English spelling: one compiler, the same checks, different names of the domain.
Article
Toolchain: CLI, WebAssembly, MCP, and JSON
How to install flang, check a model, get JSON, and choose between the flang command, a printed module, and MCP.
Article
Mental model: data, rules, inference, and effect
Four layers of the language and an honest distinction between computation, proof and an external action of the application.
Article
Executable specifications: a rule the compiler checks
A business rule usually lives in three places — the ticket, the code and the tests — and drifts apart. This course is about writing it once in flang, so the compiler …
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