Function dia_args::ask_user

pub fn ask_user<'a, 'b, S, T>(
    question: S,
    answers: &'a [Answer<'b, T>]
) -> Result<&'a Answer<'b, T>> where
    S: AsRef<str>,
    T: Eq + PartialEq + Hash + Display, 

Asks user some question

Notes:

• The question will be printed first. Then one line break. Then each answer will be printed on each line.

• The user can enter either:

  • An answer index.
  • Or some part of an answer.

• The function will start again if:

  • The user enters a wrong index.
  • The phrase entered is presented in more than one answer.

• The function returns an error if you provide duplicate answers, or no answers at all.