[code=golang]
import (
    "os"
)

// dir lists the contents of a directory
func dir(path string) ([]os.FileInfo, error) {
    // Open the directory using os.Open
    dir, err := os.Open(path)
    if err != nil {
        return nil, err
    }
    defer dir.Close()

    // Read the contents of the directory using Readdir
    contents, err := dir.Readdir(0)
    if err != nil {
        return nil, err
    }

    // Return the contents of the directory
    return contents, nil
}
[/code]