Article
Time: rule versions, snapshots, and retroactive audit
Why a flang function has no “today”, how to keep rule editions side by side, and how to back up an April charge to a customer with the April rules.
Knowledge base
Topic: flang
30 articles on this topic.
Articles
12 on this page
Article
Reading compiler errors
A reference of flang 0.7.29 diagnostics: the code, the exact message, a small program that triggers it, and the fix — for parsing, names and types, examples, promises, …
Article
Capstone: order execution from model to service and form
End-to-end architecture in flang: an order model with examples and promises, shipping approval from facts, an HTTP service, a form, TypeScript and CI.
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Performance: a reproducible measurement
A harness with which you take your own numbers for checking, running examples, printing and calling the printed function, and compare them with a baseline instead of …
Article
Generation and CI: code that does not drift from the rule
How to print a model into TypeScript with flang emit, catch a rule edited behind the model’s back with –check, and order CI steps from the cheap check to the …
Article
From Python, Go, and shell: working clients, not declarations
Real Python, Go and shell clients for a flang model through flang run, printing the model into a target language, and the runner protocol: what the compiler prints, how …
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Proofs: theorems, proof records and scientific boundaries
What exactly flang proves, how “proved” differs from a “grid” and from a verdict on facts, how a separate program re-checks the proof record, and what is not enough for a …
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AI agents and MCP: admission comes from the compiler, not from the model's text
How to put flang into a loop with an AI agent: program checks over MCP, admission on facts with flang facts, a claim fixed by the application, and a machine-readable …
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DDD: bounded context, ubiquitous language and command guard
How to put flang into the domain layer: a module as a bounded context, a state transition as a function with proved promises, and command admission decided on facts …
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React: form and table from one model
A form schema from a flang object, controls chosen by field types, and a browser preview by the printed function that the server still recomputes.
Article
A rule inside Node.js: the model printed to JavaScript and the HTTP boundary
How to run the model’s examples when the service starts, print the model to JavaScript, and keep the rule apart from HTTP, response codes and request bodies.
Article
Examples inside the rule: a new kind of subject unit test
How an example inside a flang function differs from an ordinary unit test, how flang test runs it, and why a service checks examples at startup.
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