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Details

Incorporate art-dag-mono repo into artdag/ subfolder

Merges full history from art-dag/mono.git into the monorepo
under the artdag/ directory. Contains: core (DAG engine),
l1 (Celery rendering server), l2 (ActivityPub registry),
common (shared templates/middleware), client (CLI), test (e2e).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

git-subtree-dir: artdag
git-subtree-mainline: 1a179de547
git-subtree-split: 4c2e716558

2026-02-27 09:07:23 +00:00

827 B

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Identity Effect

The identity effect returns its input unchanged. It serves as the foundational primitive in the effects registry.

Purpose

Testing: Verify the effects pipeline is working correctly
No-op placeholder: Use when an effect slot requires a value but no transformation is needed
Composition base: The neutral element for effect composition

Signature

identity(input) → input

Properties

Idempotent: identity(identity(x)) = identity(x)
Neutral: For any effect f, identity ∘ f = f ∘ identity = f

Implementation

def identity(input):
    return input

Content Hash

The identity effect is content-addressed by its behavior: given any input, the output hash equals the input hash.

Owner

Registered by @giles@artdag.rose-ash.com

827 B Raw Blame History