---
title: "kg-morph-two-pass — Mova code model"
description: "Mova code model of kg/src/morph.rs: components with their labels, obernants and the model text."
url: "https://groupants.elamur.ai/free/en/mova/kg/src/morph.rs.groupant/two-pass.groupant/"
---
Elamur: [Mova](https://md.mova.elamur.ai/free/en/) · [Dictionary](https://md.dictionary.elamur.ai/free/en/) · [Research](https://md.research.elamur.ai/free/en/) · **Groupants**

This page as HTML: <https://groupants.elamur.ai/free/en/mova/kg/src/morph.rs.groupant/two-pass.groupant/>

# kg-morph-two-pass

The groupant beside kg/src/morph.rs in the Mova repository: what the code computes, what it never does, how to go back from its outputs, its invariants, cost and checks.

## Facts

- **kind:** groupant_fragment
- **status:** partial source bound model
- **source:** [`kg/src/morph.rs`](https://github.com/ElamurAI/mova-free/blob/main/kg/src/morph.rs)
- **source SHA-256:** `cfa483216783580f…`
- **covers:** Vocabulary/lemma selection across two dictionary passes. (bytes 4131–5952)
- **part of:** [kg-morph](https://md.groupants.elamur.ai/free/en/mova/kg/src/morph.rs.groupant/)
- **repository folder:** [`kg/src/morph.rs.groupant/two-pass.groupant`](https://github.com/ElamurAI/mova-free/tree/main/kg/src/morph.rs.groupant/two-pass.groupant)
- **repository commit:** `48f2e6f74146`

> **Implementation material.** A Mova code model describes this code at one source revision: partial models, finite checks and their stated scope. It is not a reviewed general exposition, and its labels are shown as written, never raised.

## Components

| component | label | where |
|---|---|---|
| **approximant** | partial | [approximant](#approximant) |
| **ast** | partial | `../syntax.json` |
| **composition** | partial | [composition](#composition) |
| **cost** | partial | [cost](#cost) |
| **descriptant** | present | [descriptant](#descriptant) |
| **invariant** | partial | [invariant](#invariant) |
| **tests** | executed bounded checks | [tests](#tests) |

## Obernants

The typed relations around the forward model: the behaviour complement (what the code never does), the reverse reconstruction (every input compatible with an output) and specialised views.

| id | type | label | where |
|---|---|---|---|
| `behavior_complement` | behavior_complement | partial source derived model | [behavior_complement](#behavior-complement) |
| `reverse_reconstruction` | reverse_reconstruction | partial source derived model | [reverse_reconstruction](#reverse-reconstruction) |
| `government_inheritance` | government_inheritance | partial source derived model | [government_inheritance](#government-inheritance) |
| `xp_join` | xp_join | partial source derived model | [xp_join](#xp-join) |
| `source_order` | source_order | partial source derived model | [source_order](#source-order) |
| `file_boundary` | file_boundary | partial source derived model | [file_boundary](#file-boundary) |

## Model text


### descriptant

#### kg-morph-two-pass

Vocabulary/lemma selection across two dictionary passes.

##### Modeling epoch — 2026-10-31

Source read before tests and models; retained prospective notes accompany the parent. Current evidence uses bounded invented inputs only. This is partial modeling, not proof or corpus accuracy.

### approximant

#### Forward relation

Pass1 normalizes, selects vocab analyses and remembers lemma keys; Pass2 selects all synthesis entries with remembered keys.

##### Executable approximant gap

Exact categorical structure, identifiers, parser decisions and effects have no useful percentage metric established here. No executable surrogate, automatic substitution or 1/2/5/10% guarantee is claimed.

### invariant

#### Invariant and domain

Selected forms and synthesis share Gram and lemma_key functions, assuming unchanged file; nonrequested selected-lemma forms synthesized.

##### Cost and resources

O(2B+A+S) decompression/retained strings with hash factors.

### cost

#### Cost and resources

O(2B+A+S) decompression/retained strings with hash factors.

### composition

#### Composition

Vocabulary/lemma selection across two dictionary passes.

Pass1 normalizes, selects vocab analyses and remembers lemma keys; Pass2 selects all synthesis entries with remembered keys.

The parent invokes scoped transformations through the actual functions named in their source ranges. Children partition useful observations, not a complete semantic proof; boundaries can omit helpers, tests and effects.

### models

### behavior_complement

Unselected lemma synth entries excluded; empty vocabulary selects none but still reads input twice.

### reverse_reconstruction

Same retained Morph admits arbitrary unselected dictionary lines and discarded comments, plus duplicate source histories.

### government_inheritance

Only prep/verb tags retain current lemma comment mask; other POS gets0.

### xp_join

Both passes apply with_xp before lemma_key, preserving shared paradigm identity.

### source_order

Vector append preserves dictionary traversal order and duplicates, influencing generation ties.

### file_boundary

File open/decompression errors propagate; two opens admit file-change races without snapshot guarantee.


### tests

#### Evidence

Parent source checks (a fragment inherits only the behavior they actually exercise):

- morph::tests::lines_and_government
- morph::wave29::two_pass_synthetic_dictionary

Selected kg tests: 15 named outcomes, twice debug/twice release, equal sorted outcomes. Standalone actual global/build.rs: 3 named outcomes per run, twice debug/twice optimized; build_child is normally no-op, parent fixture invokes it against isolated synthetic seeds. Eight compiled source mutations (one per source) each compiled successfully and exited101 on the focused assertion; exact source restoration followed by positive rerun.

This fragment's untested branches remain source-derived. No live graph, DB, corpus, teacher, GPU or held-out evaluation was used. Command specs and numeric exits are retained in the external wave29 graphlang receipt. Strict kg Clippy reports existing source lints; see receipt.