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Case studies

Engineering at Async Digital, shown in the code.

Each study takes one decision in a shipped library or an internal tool and measures it: what it was, the evidence it holds, how the design produces that evidence, and what it costs.

One study and one series Newest first

The index

  1. 01
    Single study

    The model never runs git

    A release engine where a deterministic core owns every irreversible action, and a language model is admitted at only the two judgement points a script cannot make.

    Subject · adrelease, a Swift package release engine

    Read the study
  2. 02
    Series · six studies

    Deep linking as an input language

    One URL, one deterministic outcome, from anywhere in the app. Six studies on the race-safe, state-aware deep-linking layer.

    Subject · Iris, a deep-linking library

    01 02 03 04 05 06
    Read the series
  3. 03
    Placeholder · single study

    A future study

    An empty row, kept here to show the index as it grows. The next single study takes its place when it is published.

    In preparation

  4. 04
    Placeholder · series

    A future series

    A multi-part study reserves the same shape. The category and the part strip mark it apart from a single study when it lands.

    In preparation