if validate?

= view_marker

if repeatable
  > if [[ -v args['{{ long }}'] ]]; then
  >   values=''
  >   eval "values=(${args['{{ long }}']})"
  >   for value in "${values[@]}"; do
  validate.each do |funcname|
  >     validation_output="$(validate_{{ funcname }} "$value")"
  >     if [[ -n "$validation_output" ]]; then
  >       printf "{{ strings[:validation_error] }}\n" "{{ usage_string }}" "$validation_output" >&2
  >       exit 1
  >     fi
  >   done
  end
  > fi
else
  > if [[ -v args['{{ long }}'] ]]; then
  validate.each do |funcname|
  >   validation_output="$(validate_{{ funcname }} "${args['{{ long }}']:-}")"
  >   if [[ -n "${validation_output}" ]]; then
  >     printf "{{ strings[:validation_error] }}\n" "{{ usage_string }}" "$validation_output" >&2
  >     exit 1
  >   fi
  end
  > fi
  >
end

end