rust-trait-explorer
Explore Rust trait implementations using LSP. Triggers on: /trait-impl, find implementations, who implements, trait 实现, 谁实现了, 实现了哪些trait
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- #6295
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/actionbook/rust-skills --skill rust-trait-explorer- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads rust-trait-explorer automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
Rust Trait Explorer
Discover trait implementations and understand polymorphic designs.
Usage
/rust-trait-explorer <TraitName|StructName>
Examples:
/rust-trait-explorer Handler- Find all implementors of Handler trait/rust-trait-explorer MyStruct- Find all traits implemented by MyStruct
LSP Operations
Go to Implementation
Find all implementations of a trait.
LSP(
operation: "goToImplementation",
filePath: "src/traits.rs",
line: 10,
character: 11
)
Use when:
- Trait name is known
- Want to find all implementors
- Understanding polymorphic code
Workflow
Find Trait Implementors
User: "Who implements the Handler trait?"
│
▼
[1] Find trait definition
LSP(goToDefinition) or workspaceSymbol
│
▼
[2] Get implementations
LSP(goToImplementation)
│
▼
[3] For each impl, get details
LSP(documentSymbol) for methods
│
▼
[4] Generate implementation map
Find Traits for a Type
User: "What traits does MyStruct implement?"
│
▼
[1] Find struct definition
│
▼
[2] Search for "impl * for MyStruct"
Grep pattern matching
│
▼
[3] Get trait details for each
│
▼
[4] Generate trait list
Output Format
Trait Implementors
## Implementations of `Handler`
**Trait defined at:** src/traits.rs:15
```rust
pub trait Handler {
fn handle(&self, request: Request) -> Response;
fn name(&self) -> &str;
}
```
### Implementors (4)
| Type | Location | Notes |
|------|----------|-------|
| AuthHandler | src/handlers/auth.rs:20 | Handles authentication |
| ApiHandler | src/handlers/api.rs:15 | REST API endpoints |
| WebSocketHandler | src/handlers/ws.rs:10 | WebSocket connections |
| MockHandler | tests/mocks.rs:5 | Test mock |
### Implementation Details
#### AuthHandler
```rust
impl Handler for AuthHandler {
fn handle(&self, request: Request) -> Response {
// Authentication logic
}
fn name(&self) -> &str {
"auth"
}
}
```
#### ApiHandler
```rust
impl Handler for ApiHandler {
fn handle(&self, request: Request) -> Response {
// API routing logic
}
fn name(&self) -> &str {
"api"
}
}
```
Traits for a Type
## Traits implemented by `User`
**Struct defined at:** src/models/user.rs:10
### Standard Library Traits
| Trait | Derived/Manual | Notes |
|-------|----------------|-------|
| Debug | #[derive] | Auto-generated |
| Clone | #[derive] | Auto-generated |
| Default | manual | Custom defaults |
| Display | manual | User-friendly output |
### Serde Traits
| Trait | Location |
|-------|----------|
| Serialize | #[derive] |
| Deserialize | #[derive] |
### Project Traits
| Trait | Location | Methods |
|-------|----------|---------|
| Entity | src/db/entity.rs:30 | id(), created_at() |
| Validatable | src/validation.rs:15 | validate() |
### Implementation Hierarchy
```
User
├── derive
│ ├── Debug
│ ├── Clone
│ ├── Serialize
│ └── Deserialize
└── impl
├── Default (src/models/user.rs:50)
├── Display (src/models/user.rs:60)
├── Entity (src/models/user.rs:70)
└── Validatable (src/models/user.rs:85)
```
Trait Hierarchy Visualization
## Trait Hierarchy
┌─────────────┐
│ Error │ (std)
└──────┬──────┘
│
┌────────────┼────────────┐
│ │ │
┌───────▼───────┐ ┌──▼──┐ ┌───────▼───────┐
│ AppError │ │ ... │ │ DbError │
└───────┬───────┘ └─────┘ └───────┬───────┘
│ │
┌───────▼───────┐ ┌───────▼───────┐
│ AuthError │ │ QueryError │
└───────────────┘ └───────────────┘
Analysis Features
Coverage Check
## Trait Implementation Coverage
Trait: Handler (3 required methods)
| Implementor | handle() | name() | priority() | Complete |
|-------------|----------|--------|------------|----------|
| AuthHandler | ✅ | ✅ | ✅ | Yes |
| ApiHandler | ✅ | ✅ | ❌ default | Yes |
| MockHandler | ✅ | ✅ | ✅ | Yes |
Blanket Implementations
## Blanket Implementations
The following blanket impls may apply to your types:
| Trait | Blanket Impl | Applies To |
|-------|--------------|------------|
| From<T> | `impl<T> From<T> for T` | All types |
| Into<U> | `impl<T, U> Into<U> for T where U: From<T>` | Types with From |
| ToString | `impl<T: Display> ToString for T` | Types with Display |
Common Patterns
| User Says | Action |
|---|---|
| "Who implements X?" | goToImplementation on trait |
| "What traits does Y impl?" | Grep for impl * for Y |
| "Show trait hierarchy" | Find super-traits recursively |
| "Is X: Send + Sync?" | Check std trait impls |
Related Skills
| When | See |
|---|---|
| Navigate to impl | rust-code-navigator |
| Call relationships | rust-call-graph |
| Project structure | rust-symbol-analyzer |
| Safe refactoring | rust-refactor-helper |
FAQ
What does the rust-trait-explorer skill do?
Explore Rust trait implementations using LSP. Triggers on: /trait-impl, find implementations, who implements, trait 实现, 谁实现了, 实现了哪些trait
How do I install rust-trait-explorer?
Run npx skills add https://github.com/actionbook/rust-skills --skill rust-trait-explorer in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/rust-trait-explorer/ (personal) or .claude/skills/rust-trait-explorer/ (project).
Which AI agents can use rust-trait-explorer?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is rust-trait-explorer safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains rust-trait-explorer?
It is published by actionbook in actionbook/rust-skills. It has 3,216 recorded installs.
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