cliui

Documentation

Index

• func Select(title string, options []string) (int, string, error)

Functions

func Select

func Select(title string, options []string) (int, string, error)

Select displays an interactive command-line menu with a given title and a list of options, allowing the user to choose one of them.

Parameters:

• title: A string that will be displayed as the heading for the menu.
• options: A slice of strings representing the selectable options in the menu.

Returns:

• int: The zero-based index of the option selected by the user in the `options` slice.
• string: The actual string value of the option selected by the user.
• error: An error if the selection process fails or is canceled by the user.

Example usage:

options := []string{"etcd-vm1", "etcd-vm2", "etcd-vm3"}
idx, choice, err := cliui.Select("Please choose one VM:", options)
if err != nil {
    fmt.Println("Selection canceled or failed:", err)
    return
}
fmt.Printf("You selected option %d: %s\n", idx, choice)