How to: [⏫](#contents) Check if symbol or package is included in binary
This is useful for investigations during performance optimization, security, or compiler work. First spotted in [blog](https://rednafi.com/go/omit_dev_dependencies_in_binaries/).

```
go tool nm main | grep -Ei '
|
|...'
go tool nm main | grep -Ei 'golangci-lint|gofumpt'
```