Find all functions not referenced in the Go project.
In a Go language project, using staticcheck to find unused functions is an efficient static analysis method.
1. Install staticcheck
Ensure that Go (version 1.16+) is installed, and then execute the following command to install staticcheck:
go install honnef.co/go/tools/cmd/staticcheck@latest
2. Basic Usage: Finding Unused Functions
Run the following command in the project root directory:
staticcheck ./...
Key Check Rules:
- U1000: Detects unused functions, methods, variables, or types.
- U1001: Detects unused parameters.
3. Filter Specific Check Rules
If you only want to check unused functions, you can specify the rules: