claude-memory/graph/configurations/cargo-check-post-edit-hook-for-rust-files-in-claude-code-a2d02a.md

id	type	title	tags	importance	confidence	created	updated	relations
a2d02aea-07fd-4528-8158-f2f42a23a2dd	configuration	Cargo check post-edit hook for Rust files in Claude Code	sba-scouting rust claude-code hooks linting cargo configuration developer-experience	0.65	0.8	2026-03-02T00:33:26.804471+00:00	2026-03-02T02:20:38.872040+00:00	target type direction strength edge_id 73646e80-a640-4316-b7c6-54a4330f1b28 RELATED_TO outgoing 0.76 72478c93-188b-4e69-8809-5bfd4132e5a0 target type direction strength edge_id fc4eb194-1b19-4bb7-8b63-97ae30c8a3e0 RELATED_TO outgoing 0.75 5a1bd148-d2be-4c98-a116-9068e0d7a6ee target type direction strength edge_id e9e6a15a-bec3-4b62-98c9-4a70a5165348 RELATED_TO outgoing 0.73 c52bf965-695a-457a-a950-3e824dd87c0e target type direction strength edge_id 1d64c80d-61ec-434f-902a-3a511e2b92c2 FOLLOWS outgoing 0.6 0e1c4047-45b6-4e4e-92b0-d354a495a23c target type direction strength edge_id 77c0b897-4124-432f-84de-700ff82dcde1 RELATED_TO outgoing 0.5 b0015c81-b5ab-4972-8811-04dc5ddaebf4 target type direction strength edge_id be0bda86-d893-4f86-97c4-0ca4e1073121 RELATED_TO incoming 0.8 ceebc50e-6db0-444e-b31d-36344913dc12 target type direction strength edge_id be0bda86-d893-4f86-97c4-0ca4e1073121 SOLVES incoming 0.95 b5623458-9ace-43ae-ae7e-101d465498ee

Cargo Check Post-Edit Hook Configuration

File

rust/.claude/settings.json

Purpose

Runs cargo check --message-format=short automatically after any Edit or Write to .rs files during a Claude Code session. Provides fast feedback without waiting for a manual build.

Why cargo check (not clippy)

• cargo clippy is too slow for every single edit (takes several seconds)
• cargo check is faster — catches type errors and borrow checker issues quickly
• Clippy should be run manually at logical checkpoints:
  • Before commits
  • After finishing a feature
  • After batch edits to multiple files

Settings JSON Structure

{
  "hooks": {
    "PostToolUse": [
      {
        "matcher": { "tool_name": ["Edit", "Write"], "file_paths": [".*\\.rs$"] },
        "hooks": [
          { "type": "command", "command": "cargo check --message-format=short" }
        ]
      }
    ]
  }
}

Documentation

Also documented in rust/CLAUDE.md for future session context.