Rust / Nested leaf merge

Rust Struct Literal Leaf Merge

This page has a stable URL for review, documentation, and implementation comparison. The fixture tabs show merge inputs and output; the contract tabs show JSON and compact ruleset renderings with stable IDs and deterministic ownership.

Advanced .rs advanced leaf mergenested leavesdestination leaf winsruststruct_literal_leavesstructural_signaturenative_read_portable_writenormalize_tracked_layout_merge

Fixture sources

JSON fixture: structuredmerge-fixtures/rust/slice-720-advanced-leaf-merge/struct-literal-leaf-merge.json

Compact ruleset: structuredmerge-fixtures/rulesets/rust/slice-720-advanced-leaf-merge/struct-literal-leaf-merge.smrules

Fixture view

pub fn summary() -> PatientSummary {
    PatientSummary {
        profile: Profile {
            name: Name { given: "Pat".into(), family: "Template".into() },
            contact: Contact { email: "[email protected]".into(), phone: Some("555-0100".into()) },
            care_plan: CarePlan { status: "draft".into(), goals: Goals { mobility: "walk daily".into(), nutrition: "low sodium".into() } },
        },
    }
}

Contract view

{
  "contract_id": "rust-struct-literal-leaf-merge",
  "format": "rust",
  "owners": "struct_literal_leaves",
  "match": "structural_signature",
  "read": "native_read_portable_write",
  "attach": "normalize_tracked_layout_merge",
  "comment_style": "c_style_line",
  "render": "rust_items",
  "surfaces": [
    {
      "name": "struct_literal_field",
      "selector": "stable_path"
    }
  ],
  "capabilities": {
    "nested_leaf_merge": true,
    "destination_leaf_wins": true,
    "template_missing_leaf_adds": true
  }
}