pub fn parse(arguments: &[String]) -> Result<Selections, AnswerError>Expand description
Read repeatable --set arguments into selections.
Splitting on the first = is deliberate: a value may carry one, and a
path frequently does.
ยงErrors
AnswerError for an argument that is not a pair and for a decision
answered twice. Whether the decision exists and accepts the answer is
validate, because that needs the plan the answers are for.