[3/9] refactor: flatten module structure #107
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Consolidate the two separate GenServer implementations (async/tokio and threads) into a single implementation with a Backend enum parameter. Breaking change: start() now requires a Backend argument: - Backend::Async - tokio async tasks (default) - Backend::Blocking - tokio's blocking thread pool - Backend::Thread - dedicated OS thread This provides runtime flexibility without code duplication, allowing users to mix different execution backends in the same application. - Add Backend enum to gen_server.rs - Change start() signature to accept Backend parameter - Update all examples and tests - Remove thread-based example crates
Add 10 new tests covering: - Backend enum traits (Default, Copy, Clone, Debug, PartialEq, Eq) - All three backends handle call/cast correctly - Backend::Thread isolates blocking work from async runtime - Multiple backends can run concurrently with independent state - Backend::default() works in start()
Document each backend option with: - Comparison table showing execution model, best use cases, and limitations - Code examples for each backend - Detailed "When to Use" guide with advantages and avoid-when advice - Per-variant documentation with specific use cases
Move files from tasks/ to root and remove threads/ directory: - concurrency/src/tasks/* → concurrency/src/* - Delete concurrency/src/threads/ (replaced by Backend enum) - Update all imports from spawned_concurrency::tasks:: to spawned_concurrency:: The Backend enum (Async, Blocking, Thread) now provides all the functionality previously split between tasks and threads modules, offering a cleaner and more unified API. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This was referenced Jan 9, 2026
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This one is not right. See the comment in previous PR: #106 (comment) |
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Summary
Simplify module structure by flattening tasks/ and removing threads/:
Changes
tasks/*.rs→ rootsrc/threads/directory (replaced by Backend enum)spawned_concurrency::tasks::tospawned_concurrency::New API
~650 lines (mostly deletions)
Dependencies
Test plan
🤖 Generated with Claude Code