module Fend::Plugins::ValueHelpers

`value_helpers` plugin provides helper methods you can use to check/fetch param values.

plugin :value_helpers

validate do |i|
  i.param(:username) do |username|
    username.present? #=> true
    username.blank? #=> false
    username.empty_string? #=> false
  end
end

For a complete list of available methods, see ParamMethods.